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Finding the Fourth Proportional to 366,839.28, 506,237.74 and 203,520.57

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Solution

The fourth proportional to 366,839.28, 506,237.74 and 203,520.57 is: 280,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,839.28 : 506,237.74 = 203,520.57 : x
  2. Step 2: Convert to fraction form
    366,839.28/506,237.74 = 203,520.57/x
  3. Step 3: Cross multiply
    366,839.28x = 506,237.74 × 203,520.57
  4. Step 4: Simplify right side
    366,839.28x = 103,029,793,400.31
  5. Step 5: Solve for x
    x = 103,029,793,400.31/366,839.28
  6. Step 6: Final answer
    x = 280,858.13

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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.