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Finding the Fourth Proportional to 442,537.05, 610,797.84 and 281,360.61

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Solution

The fourth proportional to 442,537.05, 610,797.84 and 281,360.61 is: 388,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,537.05 : 610,797.84 = 281,360.61 : x
  2. Step 2: Convert to fraction form
    442,537.05/610,797.84 = 281,360.61/x
  3. Step 3: Cross multiply
    442,537.05x = 610,797.84 × 281,360.61
  4. Step 4: Simplify right side
    442,537.05x = 171,854,452,849.08
  5. Step 5: Solve for x
    x = 171,854,452,849.08/442,537.05
  6. Step 6: Final answer
    x = 388,339.13

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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.