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Finding the Fourth Proportional to 435,715.60, 651,823.80 and 377,201.20

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Solution

The fourth proportional to 435,715.60, 651,823.80 and 377,201.20 is: 564,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,715.60 : 651,823.80 = 377,201.20 : x
  2. Step 2: Convert to fraction form
    435,715.60/651,823.80 = 377,201.20/x
  3. Step 3: Cross multiply
    435,715.60x = 651,823.80 × 377,201.20
  4. Step 4: Simplify right side
    435,715.60x = 245,868,719,548.56
  5. Step 5: Solve for x
    x = 245,868,719,548.56/435,715.60
  6. Step 6: Final answer
    x = 564,287.16

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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.