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Finding the Fourth Proportional to 749.59, 1,035.33 and 592.45

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Solution

The fourth proportional to 749.59, 1,035.33 and 592.45 is: 818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    749.59 : 1,035.33 = 592.45 : x
  2. Step 2: Convert to fraction form
    749.59/1,035.33 = 592.45/x
  3. Step 3: Cross multiply
    749.59x = 1,035.33 × 592.45
  4. Step 4: Simplify right side
    749.59x = 613,381.26
  5. Step 5: Solve for x
    x = 613,381.26/749.59
  6. Step 6: Final answer
    x = 818.29

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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.