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Finding the Fourth Proportional to 500,193.87, 750,290.80 and 168,003.15

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Solution

The fourth proportional to 500,193.87, 750,290.80 and 168,003.15 is: 252,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,193.87 : 750,290.80 = 168,003.15 : x
  2. Step 2: Convert to fraction form
    500,193.87/750,290.80 = 168,003.15/x
  3. Step 3: Cross multiply
    500,193.87x = 750,290.80 × 168,003.15
  4. Step 4: Simplify right side
    500,193.87x = 126,051,217,816.02
  5. Step 5: Solve for x
    x = 126,051,217,816.02/500,193.87
  6. Step 6: Final answer
    x = 252,004.72

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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.