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Finding the Fourth Proportional to 745.68, 1,119.33 and 592.59

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Solution

The fourth proportional to 745.68, 1,119.33 and 592.59 is: 889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    745.68 : 1,119.33 = 592.59 : x
  2. Step 2: Convert to fraction form
    745.68/1,119.33 = 592.59/x
  3. Step 3: Cross multiply
    745.68x = 1,119.33 × 592.59
  4. Step 4: Simplify right side
    745.68x = 663,298.17
  5. Step 5: Solve for x
    x = 663,298.17/745.68
  6. Step 6: Final answer
    x = 889.53

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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.