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Finding the Fourth Proportional to 932.46, 1,399.77 and 500.46

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Solution

The fourth proportional to 932.46, 1,399.77 and 500.46 is: 751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.46 : 1,399.77 = 500.46 : x
  2. Step 2: Convert to fraction form
    932.46/1,399.77 = 500.46/x
  3. Step 3: Cross multiply
    932.46x = 1,399.77 × 500.46
  4. Step 4: Simplify right side
    932.46x = 700,528.89
  5. Step 5: Solve for x
    x = 700,528.89/932.46
  6. Step 6: Final answer
    x = 751.27

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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.