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Finding the Fourth Proportional to 607,526.60, 910,706.70 and 472,515.80

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Solution

The fourth proportional to 607,526.60, 910,706.70 and 472,515.80 is: 708,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,526.60 : 910,706.70 = 472,515.80 : x
  2. Step 2: Convert to fraction form
    607,526.60/910,706.70 = 472,515.80/x
  3. Step 3: Cross multiply
    607,526.60x = 910,706.70 × 472,515.80
  4. Step 4: Simplify right side
    607,526.60x = 430,323,304,915.86
  5. Step 5: Solve for x
    x = 430,323,304,915.86/607,526.60
  6. Step 6: Final answer
    x = 708,320.10

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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.