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Finding the Fourth Proportional to 360,490.86, 541,061.31 and 192,151.40

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Solution

The fourth proportional to 360,490.86, 541,061.31 and 192,151.40 is: 288,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,490.86 : 541,061.31 = 192,151.40 : x
  2. Step 2: Convert to fraction form
    360,490.86/541,061.31 = 192,151.40/x
  3. Step 3: Cross multiply
    360,490.86x = 541,061.31 × 192,151.40
  4. Step 4: Simplify right side
    360,490.86x = 103,965,685,497.03
  5. Step 5: Solve for x
    x = 103,965,685,497.03/360,490.86
  6. Step 6: Final answer
    x = 288,400.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.