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Finding the Fourth Proportional to 592,844.60, 889,266.90 and 260,420.60

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Solution

The fourth proportional to 592,844.60, 889,266.90 and 260,420.60 is: 390,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,844.60 : 889,266.90 = 260,420.60 : x
  2. Step 2: Convert to fraction form
    592,844.60/889,266.90 = 260,420.60/x
  3. Step 3: Cross multiply
    592,844.60x = 889,266.90 × 260,420.60
  4. Step 4: Simplify right side
    592,844.60x = 231,583,419,658.14
  5. Step 5: Solve for x
    x = 231,583,419,658.14/592,844.60
  6. Step 6: Final answer
    x = 390,630.90

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Half scale
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Double scale
Find fourth proportional to 592,845.60, 889,268.40 and 260,421.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.