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Finding the Fourth Proportional to 592,843.60, 889,265.40 and 260,419.60

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Solution

The fourth proportional to 592,843.60, 889,265.40 and 260,419.60 is: 390,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,843.60 : 889,265.40 = 260,419.60 : x
  2. Step 2: Convert to fraction form
    592,843.60/889,265.40 = 260,419.60/x
  3. Step 3: Cross multiply
    592,843.60x = 889,265.40 × 260,419.60
  4. Step 4: Simplify right side
    592,843.60x = 231,582,139,761.84
  5. Step 5: Solve for x
    x = 231,582,139,761.84/592,843.60
  6. Step 6: Final answer
    x = 390,629.40

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Half scale
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Double scale
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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.