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Finding the Fourth Proportional to 247,842, 341,865.88 and 197,660.88

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Solution

The fourth proportional to 247,842, 341,865.88 and 197,660.88 is: 272,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,842 : 341,865.88 = 197,660.88 : x
  2. Step 2: Convert to fraction form
    247,842/341,865.88 = 197,660.88/x
  3. Step 3: Cross multiply
    247,842x = 341,865.88 × 197,660.88
  4. Step 4: Simplify right side
    247,842x = 67,573,510,682.77
  5. Step 5: Solve for x
    x = 67,573,510,682.77/247,842
  6. Step 6: Final answer
    x = 272,647.54

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1.5x scale

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.