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Finding the Fourth Proportional to 625,470.90, 938,264.76 and 176,191.02

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Solution

The fourth proportional to 625,470.90, 938,264.76 and 176,191.02 is: 264,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,470.90 : 938,264.76 = 176,191.02 : x
  2. Step 2: Convert to fraction form
    625,470.90/938,264.76 = 176,191.02/x
  3. Step 3: Cross multiply
    625,470.90x = 938,264.76 × 176,191.02
  4. Step 4: Simplify right side
    625,470.90x = 165,313,825,094.46
  5. Step 5: Solve for x
    x = 165,313,825,094.46/625,470.90
  6. Step 6: Final answer
    x = 264,302.98

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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.