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Finding the Fourth Proportional to 503,105.61, 754,658.41 and 344,854.29

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Solution

The fourth proportional to 503,105.61, 754,658.41 and 344,854.29 is: 517,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,105.61 : 754,658.41 = 344,854.29 : x
  2. Step 2: Convert to fraction form
    503,105.61/754,658.41 = 344,854.29/x
  3. Step 3: Cross multiply
    503,105.61x = 754,658.41 × 344,854.29
  4. Step 4: Simplify right side
    503,105.61x = 260,247,190,173.08
  5. Step 5: Solve for x
    x = 260,247,190,173.08/503,105.61
  6. Step 6: Final answer
    x = 517,281.43

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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.