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Finding the Fourth Proportional to 559,539.70, 839,309.55 and 185,514.10

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Solution

The fourth proportional to 559,539.70, 839,309.55 and 185,514.10 is: 278,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,539.70 : 839,309.55 = 185,514.10 : x
  2. Step 2: Convert to fraction form
    559,539.70/839,309.55 = 185,514.10/x
  3. Step 3: Cross multiply
    559,539.70x = 839,309.55 × 185,514.10
  4. Step 4: Simplify right side
    559,539.70x = 155,703,755,789.66
  5. Step 5: Solve for x
    x = 155,703,755,789.66/559,539.70
  6. Step 6: Final answer
    x = 278,271.15

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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.