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Finding the Fourth Proportional to 625,367.34, 938,066.57 and 176,085.17

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Solution

The fourth proportional to 625,367.34, 938,066.57 and 176,085.17 is: 264,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,367.34 : 938,066.57 = 176,085.17 : x
  2. Step 2: Convert to fraction form
    625,367.34/938,066.57 = 176,085.17/x
  3. Step 3: Cross multiply
    625,367.34x = 938,066.57 × 176,085.17
  4. Step 4: Simplify right side
    625,367.34x = 165,179,605,879.01
  5. Step 5: Solve for x
    x = 165,179,605,879.01/625,367.34
  6. Step 6: Final answer
    x = 264,132.13

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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.