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Finding the Fourth Proportional to 924.68, 1,275.44 and 575.32

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Solution

The fourth proportional to 924.68, 1,275.44 and 575.32 is: 793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.68 : 1,275.44 = 575.32 : x
  2. Step 2: Convert to fraction form
    924.68/1,275.44 = 575.32/x
  3. Step 3: Cross multiply
    924.68x = 1,275.44 × 575.32
  4. Step 4: Simplify right side
    924.68x = 733,786.14
  5. Step 5: Solve for x
    x = 733,786.14/924.68
  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.