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Finding the Fourth Proportional to 418,785.01, 626,592.31 and 248,098.35

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Solution

The fourth proportional to 418,785.01, 626,592.31 and 248,098.35 is: 371,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,785.01 : 626,592.31 = 248,098.35 : x
  2. Step 2: Convert to fraction form
    418,785.01/626,592.31 = 248,098.35/x
  3. Step 3: Cross multiply
    418,785.01x = 626,592.31 × 248,098.35
  4. Step 4: Simplify right side
    418,785.01x = 155,456,518,233.69
  5. Step 5: Solve for x
    x = 155,456,518,233.69/418,785.01
  6. Step 6: Final answer
    x = 371,208.41

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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.