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Finding the Fourth Proportional to 1,484.67, 2,226.60 and 560.73

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Solution

The fourth proportional to 1,484.67, 2,226.60 and 560.73 is: 840.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.67 : 2,226.60 = 560.73 : x
  2. Step 2: Convert to fraction form
    1,484.67/2,226.60 = 560.73/x
  3. Step 3: Cross multiply
    1,484.67x = 2,226.60 × 560.73
  4. Step 4: Simplify right side
    1,484.67x = 1,248,521.42
  5. Step 5: Solve for x
    x = 1,248,521.42/1,484.67
  6. Step 6: Final answer
    x = 840.94

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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.