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Finding the Fourth Proportional to 247,002.76, 341,106.01 and 210,982.87

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Solution

The fourth proportional to 247,002.76, 341,106.01 and 210,982.87 is: 291,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,002.76 : 341,106.01 = 210,982.87 : x
  2. Step 2: Convert to fraction form
    247,002.76/341,106.01 = 210,982.87/x
  3. Step 3: Cross multiply
    247,002.76x = 341,106.01 × 210,982.87
  4. Step 4: Simplify right side
    247,002.76x = 71,967,523,583.83
  5. Step 5: Solve for x
    x = 71,967,523,583.83/247,002.76
  6. Step 6: Final answer
    x = 291,363.24

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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.