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Finding the Fourth Proportional to 625,482.72, 938,279.16 and 176,207.31

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Solution

The fourth proportional to 625,482.72, 938,279.16 and 176,207.31 is: 264,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,482.72 : 938,279.16 = 176,207.31 : x
  2. Step 2: Convert to fraction form
    625,482.72/938,279.16 = 176,207.31/x
  3. Step 3: Cross multiply
    625,482.72x = 938,279.16 × 176,207.31
  4. Step 4: Simplify right side
    625,482.72x = 165,331,646,812.66
  5. Step 5: Solve for x
    x = 165,331,646,812.66/625,482.72
  6. Step 6: Final answer
    x = 264,326.48

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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.