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Finding the Fourth Proportional to 924.06, 1,275.23 and 531.08

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Solution

The fourth proportional to 924.06, 1,275.23 and 531.08 is: 732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.06 : 1,275.23 = 531.08 : x
  2. Step 2: Convert to fraction form
    924.06/1,275.23 = 531.08/x
  3. Step 3: Cross multiply
    924.06x = 1,275.23 × 531.08
  4. Step 4: Simplify right side
    924.06x = 677,244.10
  5. Step 5: Solve for x
    x = 677,244.10/924.06
  6. Step 6: Final answer
    x = 732.90

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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.