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Finding the Fourth Proportional to 625,458.62, 938,246.37 and 176,178.77

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Solution

The fourth proportional to 625,458.62, 938,246.37 and 176,178.77 is: 264,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,458.62 : 938,246.37 = 176,178.77 : x
  2. Step 2: Convert to fraction form
    625,458.62/938,246.37 = 176,178.77/x
  3. Step 3: Cross multiply
    625,458.62x = 938,246.37 × 176,178.77
  4. Step 4: Simplify right side
    625,458.62x = 165,299,091,423.57
  5. Step 5: Solve for x
    x = 165,299,091,423.57/625,458.62
  6. Step 6: Final answer
    x = 264,284.62

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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.