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Finding the Fourth Proportional to 491,562.81, 737,344.22 and 281,053.13

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Solution

The fourth proportional to 491,562.81, 737,344.22 and 281,053.13 is: 421,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,562.81 : 737,344.22 = 281,053.13 : x
  2. Step 2: Convert to fraction form
    491,562.81/737,344.22 = 281,053.13/x
  3. Step 3: Cross multiply
    491,562.81x = 737,344.22 × 281,053.13
  4. Step 4: Simplify right side
    491,562.81x = 207,232,895,826.42
  5. Step 5: Solve for x
    x = 207,232,895,826.42/491,562.81
  6. Step 6: Final answer
    x = 421,579.69

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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.