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Finding the Fourth Proportional to 701.37, 1,050.72 and 586.55

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Solution

The fourth proportional to 701.37, 1,050.72 and 586.55 is: 878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.37 : 1,050.72 = 586.55 : x
  2. Step 2: Convert to fraction form
    701.37/1,050.72 = 586.55/x
  3. Step 3: Cross multiply
    701.37x = 1,050.72 × 586.55
  4. Step 4: Simplify right side
    701.37x = 616,294.56
  5. Step 5: Solve for x
    x = 616,294.56/701.37
  6. Step 6: Final answer
    x = 878.70

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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.