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Finding the Fourth Proportional to 247,654.28, 341,760.66 and 134,470.28

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Solution

The fourth proportional to 247,654.28, 341,760.66 and 134,470.28 is: 185,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,654.28 : 341,760.66 = 134,470.28 : x
  2. Step 2: Convert to fraction form
    247,654.28/341,760.66 = 134,470.28/x
  3. Step 3: Cross multiply
    247,654.28x = 341,760.66 × 134,470.28
  4. Step 4: Simplify right side
    247,654.28x = 45,956,651,643.18
  5. Step 5: Solve for x
    x = 45,956,651,643.18/247,654.28
  6. Step 6: Final answer
    x = 185,567.77

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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.