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Finding the Fourth Proportional to 625,470.40, 938,264.01 and 176,190.52

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Solution

The fourth proportional to 625,470.40, 938,264.01 and 176,190.52 is: 264,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,470.40 : 938,264.01 = 176,190.52 : x
  2. Step 2: Convert to fraction form
    625,470.40/938,264.01 = 176,190.52/x
  3. Step 3: Cross multiply
    625,470.40x = 938,264.01 × 176,190.52
  4. Step 4: Simplify right side
    625,470.40x = 165,313,223,819.19
  5. Step 5: Solve for x
    x = 165,313,223,819.19/625,470.40
  6. Step 6: Final answer
    x = 264,302.23

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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.