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Finding the Fourth Proportional to 866,732.64, 1,300,552.08 and 354,777.60

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Solution

The fourth proportional to 866,732.64, 1,300,552.08 and 354,777.60 is: 532,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,732.64 : 1,300,552.08 = 354,777.60 : x
  2. Step 2: Convert to fraction form
    866,732.64/1,300,552.08 = 354,777.60/x
  3. Step 3: Cross multiply
    866,732.64x = 1,300,552.08 × 354,777.60
  4. Step 4: Simplify right side
    866,732.64x = 461,406,745,617.41
  5. Step 5: Solve for x
    x = 461,406,745,617.41/866,732.64
  6. Step 6: Final answer
    x = 532,351.87

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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.