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Finding the Fourth Proportional to 408,981.96, 564,354.90 and 239,182.92

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Solution

The fourth proportional to 408,981.96, 564,354.90 and 239,182.92 is: 330,048.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,981.96 : 564,354.90 = 239,182.92 : x
  2. Step 2: Convert to fraction form
    408,981.96/564,354.90 = 239,182.92/x
  3. Step 3: Cross multiply
    408,981.96x = 564,354.90 × 239,182.92
  4. Step 4: Simplify right side
    408,981.96x = 134,984,052,898.31
  5. Step 5: Solve for x
    x = 134,984,052,898.31/408,981.96
  6. Step 6: Final answer
    x = 330,048.92

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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.