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Finding the Fourth Proportional to 454,793.70, 637,644.30 and 454,793.70

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Solution

The fourth proportional to 454,793.70, 637,644.30 and 454,793.70 is: 637,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,793.70 : 637,644.30 = 454,793.70 : x
  2. Step 2: Convert to fraction form
    454,793.70/637,644.30 = 454,793.70/x
  3. Step 3: Cross multiply
    454,793.70x = 637,644.30 × 454,793.70
  4. Step 4: Simplify right side
    454,793.70x = 289,996,610,480.91
  5. Step 5: Solve for x
    x = 289,996,610,480.91/454,793.70
  6. Step 6: Final answer
    x = 637,644.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.