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Finding the Fourth Proportional to 937.04, 1,406.04 and 417.16

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Solution

The fourth proportional to 937.04, 1,406.04 and 417.16 is: 625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.04 : 1,406.04 = 417.16 : x
  2. Step 2: Convert to fraction form
    937.04/1,406.04 = 417.16/x
  3. Step 3: Cross multiply
    937.04x = 1,406.04 × 417.16
  4. Step 4: Simplify right side
    937.04x = 586,543.65
  5. Step 5: Solve for x
    x = 586,543.65/937.04
  6. Step 6: Final answer
    x = 625.95

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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.