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Finding the Fourth Proportional to 924, 1,275.12 and 575.04

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Solution

The fourth proportional to 924, 1,275.12 and 575.04 is: 793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    924 : 1,275.12 = 575.04 : x
  2. Step 2: Convert to fraction form
    924/1,275.12 = 575.04/x
  3. Step 3: Cross multiply
    924x = 1,275.12 × 575.04
  4. Step 4: Simplify right side
    924x = 733,245.00
  5. Step 5: Solve for x
    x = 733,245.00/924
  6. Step 6: Final answer
    x = 793.56

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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.