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Finding the Fourth Proportional to 625,554.26, 938,331.48 and 152,239.61

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Solution

The fourth proportional to 625,554.26, 938,331.48 and 152,239.61 is: 228,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,554.26 : 938,331.48 = 152,239.61 : x
  2. Step 2: Convert to fraction form
    625,554.26/938,331.48 = 152,239.61/x
  3. Step 3: Cross multiply
    625,554.26x = 938,331.48 × 152,239.61
  4. Step 4: Simplify right side
    625,554.26x = 142,851,220,911.75
  5. Step 5: Solve for x
    x = 142,851,220,911.75/625,554.26
  6. Step 6: Final answer
    x = 228,359.44

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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.