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Finding the Fourth Proportional to 775.58, 1,162.46 and 501.83

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Solution

The fourth proportional to 775.58, 1,162.46 and 501.83 is: 752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    775.58 : 1,162.46 = 501.83 : x
  2. Step 2: Convert to fraction form
    775.58/1,162.46 = 501.83/x
  3. Step 3: Cross multiply
    775.58x = 1,162.46 × 501.83
  4. Step 4: Simplify right side
    775.58x = 583,354.28
  5. Step 5: Solve for x
    x = 583,354.28/775.58
  6. Step 6: Final answer
    x = 752.15

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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.