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Finding the Fourth Proportional to 1,656.46, 2,483.10 and 616.18

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Solution

The fourth proportional to 1,656.46, 2,483.10 and 616.18 is: 923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.46 : 2,483.10 = 616.18 : x
  2. Step 2: Convert to fraction form
    1,656.46/2,483.10 = 616.18/x
  3. Step 3: Cross multiply
    1,656.46x = 2,483.10 × 616.18
  4. Step 4: Simplify right side
    1,656.46x = 1,530,036.56
  5. Step 5: Solve for x
    x = 1,530,036.56/1,656.46
  6. Step 6: Final answer
    x = 923.68

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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.