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Finding the Fourth Proportional to 546,843.70, 820,265.55 and 251,931.70

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Solution

The fourth proportional to 546,843.70, 820,265.55 and 251,931.70 is: 377,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,843.70 : 820,265.55 = 251,931.70 : x
  2. Step 2: Convert to fraction form
    546,843.70/820,265.55 = 251,931.70/x
  3. Step 3: Cross multiply
    546,843.70x = 820,265.55 × 251,931.70
  4. Step 4: Simplify right side
    546,843.70x = 206,650,894,462.94
  5. Step 5: Solve for x
    x = 206,650,894,462.94/546,843.70
  6. Step 6: Final answer
    x = 377,897.55

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Similar ratio
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1.5x scale

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.