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Finding the Fourth Proportional to 924.86, 1,387.02 and 601.94

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Solution

The fourth proportional to 924.86, 1,387.02 and 601.94 is: 902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.86 : 1,387.02 = 601.94 : x
  2. Step 2: Convert to fraction form
    924.86/1,387.02 = 601.94/x
  3. Step 3: Cross multiply
    924.86x = 1,387.02 × 601.94
  4. Step 4: Simplify right side
    924.86x = 834,902.82
  5. Step 5: Solve for x
    x = 834,902.82/924.86
  6. Step 6: Final answer
    x = 902.73

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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.