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Finding the Fourth Proportional to 560,022.80, 839,496.60 and 185,853.20

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Solution

The fourth proportional to 560,022.80, 839,496.60 and 185,853.20 is: 278,601.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,022.80 : 839,496.60 = 185,853.20 : x
  2. Step 2: Convert to fraction form
    560,022.80/839,496.60 = 185,853.20/x
  3. Step 3: Cross multiply
    560,022.80x = 839,496.60 × 185,853.20
  4. Step 4: Simplify right side
    560,022.80x = 156,023,129,499.12
  5. Step 5: Solve for x
    x = 156,023,129,499.12/560,022.80
  6. Step 6: Final answer
    x = 278,601.39

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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.