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Finding the Fourth Proportional to 552,282.39, 762,154.16 and 307,270.73

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Solution

The fourth proportional to 552,282.39, 762,154.16 and 307,270.73 is: 424,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,282.39 : 762,154.16 = 307,270.73 : x
  2. Step 2: Convert to fraction form
    552,282.39/762,154.16 = 307,270.73/x
  3. Step 3: Cross multiply
    552,282.39x = 762,154.16 × 307,270.73
  4. Step 4: Simplify right side
    552,282.39x = 234,187,665,484.77
  5. Step 5: Solve for x
    x = 234,187,665,484.77/552,282.39
  6. Step 6: Final answer
    x = 424,036.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.