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Finding the Fourth Proportional to 625,340.07, 938,065.46 and 176,064.80

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Solution

The fourth proportional to 625,340.07, 938,065.46 and 176,064.80 is: 264,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,340.07 : 938,065.46 = 176,064.80 : x
  2. Step 2: Convert to fraction form
    625,340.07/938,065.46 = 176,064.80/x
  3. Step 3: Cross multiply
    625,340.07x = 938,065.46 × 176,064.80
  4. Step 4: Simplify right side
    625,340.07x = 165,160,302,031.16
  5. Step 5: Solve for x
    x = 165,160,302,031.16/625,340.07
  6. Step 6: Final answer
    x = 264,112.78

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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.