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Finding the Fourth Proportional to 922.73, 1,384.56 and 337.91

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Solution

The fourth proportional to 922.73, 1,384.56 and 337.91 is: 507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.73 : 1,384.56 = 337.91 : x
  2. Step 2: Convert to fraction form
    922.73/1,384.56 = 337.91/x
  3. Step 3: Cross multiply
    922.73x = 1,384.56 × 337.91
  4. Step 4: Simplify right side
    922.73x = 467,849.75
  5. Step 5: Solve for x
    x = 467,849.75/922.73
  6. Step 6: Final answer
    x = 507.03

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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.