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Finding the Fourth Proportional to 937.37, 1,404.62 and 474.45

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Solution

The fourth proportional to 937.37, 1,404.62 and 474.45 is: 710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.37 : 1,404.62 = 474.45 : x
  2. Step 2: Convert to fraction form
    937.37/1,404.62 = 474.45/x
  3. Step 3: Cross multiply
    937.37x = 1,404.62 × 474.45
  4. Step 4: Simplify right side
    937.37x = 666,419.59
  5. Step 5: Solve for x
    x = 666,419.59/937.37
  6. Step 6: Final answer
    x = 710.95

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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.