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Finding the Fourth Proportional to 356,614.47, 531,205.56 and 337,681.53

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Solution

The fourth proportional to 356,614.47, 531,205.56 and 337,681.53 is: 503,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,614.47 : 531,205.56 = 337,681.53 : x
  2. Step 2: Convert to fraction form
    356,614.47/531,205.56 = 337,681.53/x
  3. Step 3: Cross multiply
    356,614.47x = 531,205.56 × 337,681.53
  4. Step 4: Simplify right side
    356,614.47x = 179,378,306,245.31
  5. Step 5: Solve for x
    x = 179,378,306,245.31/356,614.47
  6. Step 6: Final answer
    x = 503,003.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.