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Finding the Fourth Proportional to 247,654.97, 341,764.31 and 134,477.72

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Solution

The fourth proportional to 247,654.97, 341,764.31 and 134,477.72 is: 185,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,654.97 : 341,764.31 = 134,477.72 : x
  2. Step 2: Convert to fraction form
    247,654.97/341,764.31 = 134,477.72/x
  3. Step 3: Cross multiply
    247,654.97x = 341,764.31 × 134,477.72
  4. Step 4: Simplify right side
    247,654.97x = 45,959,685,095.16
  5. Step 5: Solve for x
    x = 45,959,685,095.16/247,654.97
  6. Step 6: Final answer
    x = 185,579.50

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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.