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Finding the Fourth Proportional to 1,052.68, 1,580.13 and 590.85

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Solution

The fourth proportional to 1,052.68, 1,580.13 and 590.85 is: 886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.68 : 1,580.13 = 590.85 : x
  2. Step 2: Convert to fraction form
    1,052.68/1,580.13 = 590.85/x
  3. Step 3: Cross multiply
    1,052.68x = 1,580.13 × 590.85
  4. Step 4: Simplify right side
    1,052.68x = 933,619.81
  5. Step 5: Solve for x
    x = 933,619.81/1,052.68
  6. Step 6: Final answer
    x = 886.90

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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.