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Finding the Fourth Proportional to 298,110.92, 411,392.76 and 170,787.02

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Solution

The fourth proportional to 298,110.92, 411,392.76 and 170,787.02 is: 235,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,110.92 : 411,392.76 = 170,787.02 : x
  2. Step 2: Convert to fraction form
    298,110.92/411,392.76 = 170,787.02/x
  3. Step 3: Cross multiply
    298,110.92x = 411,392.76 × 170,787.02
  4. Step 4: Simplify right side
    298,110.92x = 70,260,541,473.01
  5. Step 5: Solve for x
    x = 70,260,541,473.01/298,110.92
  6. Step 6: Final answer
    x = 235,685.91

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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.