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Finding the Fourth Proportional to 247,381.41, 341,234.46 and 218,608.74

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Solution

The fourth proportional to 247,381.41, 341,234.46 and 218,608.74 is: 301,545.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,381.41 : 341,234.46 = 218,608.74 : x
  2. Step 2: Convert to fraction form
    247,381.41/341,234.46 = 218,608.74/x
  3. Step 3: Cross multiply
    247,381.41x = 341,234.46 × 218,608.74
  4. Step 4: Simplify right side
    247,381.41x = 74,596,835,345.18
  5. Step 5: Solve for x
    x = 74,596,835,345.18/247,381.41
  6. Step 6: Final answer
    x = 301,545.84

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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.