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Finding the Fourth Proportional to 612.30, 844.46 and 545.96

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Solution

The fourth proportional to 612.30, 844.46 and 545.96 is: 752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    612.30 : 844.46 = 545.96 : x
  2. Step 2: Convert to fraction form
    612.30/844.46 = 545.96/x
  3. Step 3: Cross multiply
    612.30x = 844.46 × 545.96
  4. Step 4: Simplify right side
    612.30x = 461,041.38
  5. Step 5: Solve for x
    x = 461,041.38/612.30
  6. Step 6: Final answer
    x = 752.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.