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Finding the Fourth Proportional to 537,470.60, 806,205.90 and 195,939.66

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Solution

The fourth proportional to 537,470.60, 806,205.90 and 195,939.66 is: 293,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,470.60 : 806,205.90 = 195,939.66 : x
  2. Step 2: Convert to fraction form
    537,470.60/806,205.90 = 195,939.66/x
  3. Step 3: Cross multiply
    537,470.60x = 806,205.90 × 195,939.66
  4. Step 4: Simplify right side
    537,470.60x = 157,967,709,935.99
  5. Step 5: Solve for x
    x = 157,967,709,935.99/537,470.60
  6. Step 6: Final answer
    x = 293,909.49

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Similar ratio
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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.