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Finding the Fourth Proportional to 924.48, 1,384.32 and 731.52

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Solution

The fourth proportional to 924.48, 1,384.32 and 731.52 is: 1,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.48 : 1,384.32 = 731.52 : x
  2. Step 2: Convert to fraction form
    924.48/1,384.32 = 731.52/x
  3. Step 3: Cross multiply
    924.48x = 1,384.32 × 731.52
  4. Step 4: Simplify right side
    924.48x = 1,012,657.77
  5. Step 5: Solve for x
    x = 1,012,657.77/924.48
  6. Step 6: Final answer
    x = 1,095.38

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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.