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Finding the Fourth Proportional to 647,523.70, 971,285.55 and 597,757.30

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Solution

The fourth proportional to 647,523.70, 971,285.55 and 597,757.30 is: 896,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,523.70 : 971,285.55 = 597,757.30 : x
  2. Step 2: Convert to fraction form
    647,523.70/971,285.55 = 597,757.30/x
  3. Step 3: Cross multiply
    647,523.70x = 971,285.55 × 597,757.30
  4. Step 4: Simplify right side
    647,523.70x = 580,593,027,897.02
  5. Step 5: Solve for x
    x = 580,593,027,897.02/647,523.70
  6. Step 6: Final answer
    x = 896,635.95

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Double scale
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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.