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Finding the Fourth Proportional to 960.09, 1,437.69 and 593.76

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Solution

The fourth proportional to 960.09, 1,437.69 and 593.76 is: 889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.09 : 1,437.69 = 593.76 : x
  2. Step 2: Convert to fraction form
    960.09/1,437.69 = 593.76/x
  3. Step 3: Cross multiply
    960.09x = 1,437.69 × 593.76
  4. Step 4: Simplify right side
    960.09x = 853,642.81
  5. Step 5: Solve for x
    x = 853,642.81/960.09
  6. Step 6: Final answer
    x = 889.13

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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.