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Finding the Fourth Proportional to 937.59, 1,407.03 and 360.47

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Solution

The fourth proportional to 937.59, 1,407.03 and 360.47 is: 540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.59 : 1,407.03 = 360.47 : x
  2. Step 2: Convert to fraction form
    937.59/1,407.03 = 360.47/x
  3. Step 3: Cross multiply
    937.59x = 1,407.03 × 360.47
  4. Step 4: Simplify right side
    937.59x = 507,192.10
  5. Step 5: Solve for x
    x = 507,192.10/937.59
  6. Step 6: Final answer
    x = 540.95

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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.