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Finding the Fourth Proportional to 474.01, 710.43 and 471.70

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Solution

The fourth proportional to 474.01, 710.43 and 471.70 is: 706.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.01 : 710.43 = 471.70 : x
  2. Step 2: Convert to fraction form
    474.01/710.43 = 471.70/x
  3. Step 3: Cross multiply
    474.01x = 710.43 × 471.70
  4. Step 4: Simplify right side
    474.01x = 335,111.39
  5. Step 5: Solve for x
    x = 335,111.39/474.01
  6. Step 6: Final answer
    x = 706.98

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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.