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Finding the Fourth Proportional to 625,434.84, 938,152.26 and 152,120.52

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Solution

The fourth proportional to 625,434.84, 938,152.26 and 152,120.52 is: 228,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,434.84 : 938,152.26 = 152,120.52 : x
  2. Step 2: Convert to fraction form
    625,434.84/938,152.26 = 152,120.52/x
  3. Step 3: Cross multiply
    625,434.84x = 938,152.26 × 152,120.52
  4. Step 4: Simplify right side
    625,434.84x = 142,712,209,630.38
  5. Step 5: Solve for x
    x = 142,712,209,630.38/625,434.84
  6. Step 6: Final answer
    x = 228,180.78

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Similar ratio
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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.