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Finding the Fourth Proportional to 344,284.74, 516,385.98 and 91,583.73

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Solution

The fourth proportional to 344,284.74, 516,385.98 and 91,583.73 is: 137,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,284.74 : 516,385.98 = 91,583.73 : x
  2. Step 2: Convert to fraction form
    344,284.74/516,385.98 = 91,583.73/x
  3. Step 3: Cross multiply
    344,284.74x = 516,385.98 × 91,583.73
  4. Step 4: Simplify right side
    344,284.74x = 47,292,554,168.11
  5. Step 5: Solve for x
    x = 47,292,554,168.11/344,284.74
  6. Step 6: Final answer
    x = 137,364.65

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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.