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Finding the Fourth Proportional to 344,597.86, 516,929.20 and 101,439.09

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Solution

The fourth proportional to 344,597.86, 516,929.20 and 101,439.09 is: 152,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,597.86 : 516,929.20 = 101,439.09 : x
  2. Step 2: Convert to fraction form
    344,597.86/516,929.20 = 101,439.09/x
  3. Step 3: Cross multiply
    344,597.86x = 516,929.20 × 101,439.09
  4. Step 4: Simplify right side
    344,597.86x = 52,436,827,642.43
  5. Step 5: Solve for x
    x = 52,436,827,642.43/344,597.86
  6. Step 6: Final answer
    x = 152,168.18

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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.