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Finding the Fourth Proportional to 579,001.90, 868,502.85 and 546,524.95

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Solution

The fourth proportional to 579,001.90, 868,502.85 and 546,524.95 is: 819,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,001.90 : 868,502.85 = 546,524.95 : x
  2. Step 2: Convert to fraction form
    579,001.90/868,502.85 = 546,524.95/x
  3. Step 3: Cross multiply
    579,001.90x = 868,502.85 × 546,524.95
  4. Step 4: Simplify right side
    579,001.90x = 474,658,476,671.11
  5. Step 5: Solve for x
    x = 474,658,476,671.11/579,001.90
  6. Step 6: Final answer
    x = 819,787.43

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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.