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Finding the Fourth Proportional to 675.32, 932.64 and 500.36

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Solution

The fourth proportional to 675.32, 932.64 and 500.36 is: 691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.32 : 932.64 = 500.36 : x
  2. Step 2: Convert to fraction form
    675.32/932.64 = 500.36/x
  3. Step 3: Cross multiply
    675.32x = 932.64 × 500.36
  4. Step 4: Simplify right side
    675.32x = 466,655.75
  5. Step 5: Solve for x
    x = 466,655.75/675.32
  6. Step 6: Final answer
    x = 691.01

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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.