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Finding the Fourth Proportional to 344,337.53, 516,545.60 and 91,628.46

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Solution

The fourth proportional to 344,337.53, 516,545.60 and 91,628.46 is: 137,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,337.53 : 516,545.60 = 91,628.46 : x
  2. Step 2: Convert to fraction form
    344,337.53/516,545.60 = 91,628.46/x
  3. Step 3: Cross multiply
    344,337.53x = 516,545.60 × 91,628.46
  4. Step 4: Simplify right side
    344,337.53x = 47,330,277,389.63
  5. Step 5: Solve for x
    x = 47,330,277,389.63/344,337.53
  6. Step 6: Final answer
    x = 137,453.15

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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.