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Finding the Fourth Proportional to 435,693.60, 651,790.80 and 377,179.20

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Solution

The fourth proportional to 435,693.60, 651,790.80 and 377,179.20 is: 564,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,693.60 : 651,790.80 = 377,179.20 : x
  2. Step 2: Convert to fraction form
    435,693.60/651,790.80 = 377,179.20/x
  3. Step 3: Cross multiply
    435,693.60x = 651,790.80 × 377,179.20
  4. Step 4: Simplify right side
    435,693.60x = 245,841,932,511.36
  5. Step 5: Solve for x
    x = 245,841,932,511.36/435,693.60
  6. Step 6: Final answer
    x = 564,254.17

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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.