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Finding the Fourth Proportional to 749.98, 1,034.76 and 592.64

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Solution

The fourth proportional to 749.98, 1,034.76 and 592.64 is: 817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    749.98 : 1,034.76 = 592.64 : x
  2. Step 2: Convert to fraction form
    749.98/1,034.76 = 592.64/x
  3. Step 3: Cross multiply
    749.98x = 1,034.76 × 592.64
  4. Step 4: Simplify right side
    749.98x = 613,240.17
  5. Step 5: Solve for x
    x = 613,240.17/749.98
  6. Step 6: Final answer
    x = 817.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.