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Finding the Fourth Proportional to 581,693.11, 802,474.14 and 339,866.96

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Solution

The fourth proportional to 581,693.11, 802,474.14 and 339,866.96 is: 468,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,693.11 : 802,474.14 = 339,866.96 : x
  2. Step 2: Convert to fraction form
    581,693.11/802,474.14 = 339,866.96/x
  3. Step 3: Cross multiply
    581,693.11x = 802,474.14 × 339,866.96
  4. Step 4: Simplify right side
    581,693.11x = 272,734,441,790.79
  5. Step 5: Solve for x
    x = 272,734,441,790.79/581,693.11
  6. Step 6: Final answer
    x = 468,863.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.