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Finding the Fourth Proportional to 1,849.50, 2,773.20 and 616.24

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Solution

The fourth proportional to 1,849.50, 2,773.20 and 616.24 is: 924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.50 : 2,773.20 = 616.24 : x
  2. Step 2: Convert to fraction form
    1,849.50/2,773.20 = 616.24/x
  3. Step 3: Cross multiply
    1,849.50x = 2,773.20 × 616.24
  4. Step 4: Simplify right side
    1,849.50x = 1,708,956.77
  5. Step 5: Solve for x
    x = 1,708,956.77/1,849.50
  6. Step 6: Final answer
    x = 924.01

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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.