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Finding the Fourth Proportional to 592,681.60, 889,022.40 and 260,257.60

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Solution

The fourth proportional to 592,681.60, 889,022.40 and 260,257.60 is: 390,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,681.60 : 889,022.40 = 260,257.60 : x
  2. Step 2: Convert to fraction form
    592,681.60/889,022.40 = 260,257.60/x
  3. Step 3: Cross multiply
    592,681.60x = 889,022.40 × 260,257.60
  4. Step 4: Simplify right side
    592,681.60x = 231,374,836,170.24
  5. Step 5: Solve for x
    x = 231,374,836,170.24/592,681.60
  6. Step 6: Final answer
    x = 390,386.40

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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.