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Finding the Fourth Proportional to 625,508.49, 938,254.23 and 152,194.31

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Solution

The fourth proportional to 625,508.49, 938,254.23 and 152,194.31 is: 228,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,508.49 : 938,254.23 = 152,194.31 : x
  2. Step 2: Convert to fraction form
    625,508.49/938,254.23 = 152,194.31/x
  3. Step 3: Cross multiply
    625,508.49x = 938,254.23 × 152,194.31
  4. Step 4: Simplify right side
    625,508.49x = 142,796,950,448.16
  5. Step 5: Solve for x
    x = 142,796,950,448.16/625,508.49
  6. Step 6: Final answer
    x = 228,289.39

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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.