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Finding the Fourth Proportional to 750.84, 1,126.08 and 237.84

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Solution

The fourth proportional to 750.84, 1,126.08 and 237.84 is: 356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.84 : 1,126.08 = 237.84 : x
  2. Step 2: Convert to fraction form
    750.84/1,126.08 = 237.84/x
  3. Step 3: Cross multiply
    750.84x = 1,126.08 × 237.84
  4. Step 4: Simplify right side
    750.84x = 267,826.87
  5. Step 5: Solve for x
    x = 267,826.87/750.84
  6. Step 6: Final answer
    x = 356.70

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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.