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Finding the Fourth Proportional to 647,593.70, 971,390.55 and 597,827.30

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Solution

The fourth proportional to 647,593.70, 971,390.55 and 597,827.30 is: 896,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,593.70 : 971,390.55 = 597,827.30 : x
  2. Step 2: Convert to fraction form
    647,593.70/971,390.55 = 597,827.30/x
  3. Step 3: Cross multiply
    647,593.70x = 971,390.55 × 597,827.30
  4. Step 4: Simplify right side
    647,593.70x = 580,723,789,752.02
  5. Step 5: Solve for x
    x = 580,723,789,752.02/647,593.70
  6. Step 6: Final answer
    x = 896,740.95

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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.