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Finding the Fourth Proportional to 474.46, 710.78 and 337.16

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Solution

The fourth proportional to 474.46, 710.78 and 337.16 is: 505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.46 : 710.78 = 337.16 : x
  2. Step 2: Convert to fraction form
    474.46/710.78 = 337.16/x
  3. Step 3: Cross multiply
    474.46x = 710.78 × 337.16
  4. Step 4: Simplify right side
    474.46x = 239,646.68
  5. Step 5: Solve for x
    x = 239,646.68/474.46
  6. Step 6: Final answer
    x = 505.10

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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.