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Finding the Fourth Proportional to 532.18, 797.46 and 474.40

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Solution

The fourth proportional to 532.18, 797.46 and 474.40 is: 710.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.18 : 797.46 = 474.40 : x
  2. Step 2: Convert to fraction form
    532.18/797.46 = 474.40/x
  3. Step 3: Cross multiply
    532.18x = 797.46 × 474.40
  4. Step 4: Simplify right side
    532.18x = 378,315.02
  5. Step 5: Solve for x
    x = 378,315.02/532.18
  6. Step 6: Final answer
    x = 710.88

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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.