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Finding the Fourth Proportional to 937.04, 1,404.61 and 417.31

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Solution

The fourth proportional to 937.04, 1,404.61 and 417.31 is: 625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.04 : 1,404.61 = 417.31 : x
  2. Step 2: Convert to fraction form
    937.04/1,404.61 = 417.31/x
  3. Step 3: Cross multiply
    937.04x = 1,404.61 × 417.31
  4. Step 4: Simplify right side
    937.04x = 586,153.24
  5. Step 5: Solve for x
    x = 586,153.24/937.04
  6. Step 6: Final answer
    x = 625.54

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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.