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Finding the Fourth Proportional to 504,077.80, 756,116.70 and 188,493.70

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Solution

The fourth proportional to 504,077.80, 756,116.70 and 188,493.70 is: 282,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,077.80 : 756,116.70 = 188,493.70 : x
  2. Step 2: Convert to fraction form
    504,077.80/756,116.70 = 188,493.70/x
  3. Step 3: Cross multiply
    504,077.80x = 756,116.70 × 188,493.70
  4. Step 4: Simplify right side
    504,077.80x = 142,523,234,414.79
  5. Step 5: Solve for x
    x = 142,523,234,414.79/504,077.80
  6. Step 6: Final answer
    x = 282,740.55

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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.