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Finding the Fourth Proportional to 407,062.65, 609,823.26 and 271,718.61

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Solution

The fourth proportional to 407,062.65, 609,823.26 and 271,718.61 is: 407,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,062.65 : 609,823.26 = 271,718.61 : x
  2. Step 2: Convert to fraction form
    407,062.65/609,823.26 = 271,718.61/x
  3. Step 3: Cross multiply
    407,062.65x = 609,823.26 × 271,718.61
  4. Step 4: Simplify right side
    407,062.65x = 165,700,331,858.65
  5. Step 5: Solve for x
    x = 165,700,331,858.65/407,062.65
  6. Step 6: Final answer
    x = 407,063.47

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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.