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Finding the Fourth Proportional to 625,034.73, 937,272.11 and 372,434.61

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Solution

The fourth proportional to 625,034.73, 937,272.11 and 372,434.61 is: 558,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,034.73 : 937,272.11 = 372,434.61 : x
  2. Step 2: Convert to fraction form
    625,034.73/937,272.11 = 372,434.61/x
  3. Step 3: Cross multiply
    625,034.73x = 937,272.11 × 372,434.61
  4. Step 4: Simplify right side
    625,034.73x = 349,072,570,889.55
  5. Step 5: Solve for x
    x = 349,072,570,889.55/625,034.73
  6. Step 6: Final answer
    x = 558,485.08

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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.