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Finding the Fourth Proportional to 625,554.28, 938,187.51 and 372,906.10

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Solution

The fourth proportional to 625,554.28, 938,187.51 and 372,906.10 is: 559,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,554.28 : 938,187.51 = 372,906.10 : x
  2. Step 2: Convert to fraction form
    625,554.28/938,187.51 = 372,906.10/x
  3. Step 3: Cross multiply
    625,554.28x = 938,187.51 × 372,906.10
  4. Step 4: Simplify right side
    625,554.28x = 349,855,845,422.81
  5. Step 5: Solve for x
    x = 349,855,845,422.81/625,554.28
  6. Step 6: Final answer
    x = 559,273.36

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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.