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Finding the Fourth Proportional to 1,337.94, 2,005.29 and 471.24

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Solution

The fourth proportional to 1,337.94, 2,005.29 and 471.24 is: 706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.94 : 2,005.29 = 471.24 : x
  2. Step 2: Convert to fraction form
    1,337.94/2,005.29 = 471.24/x
  3. Step 3: Cross multiply
    1,337.94x = 2,005.29 × 471.24
  4. Step 4: Simplify right side
    1,337.94x = 944,972.86
  5. Step 5: Solve for x
    x = 944,972.86/1,337.94
  6. Step 6: Final answer
    x = 706.29

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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.