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Finding the Fourth Proportional to 573,049.47, 859,602.77 and 218,091

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Solution

The fourth proportional to 573,049.47, 859,602.77 and 218,091 is: 327,147.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,049.47 : 859,602.77 = 218,091 : x
  2. Step 2: Convert to fraction form
    573,049.47/859,602.77 = 218,091/x
  3. Step 3: Cross multiply
    573,049.47x = 859,602.77 × 218,091
  4. Step 4: Simplify right side
    573,049.47x = 187,471,626,621.62
  5. Step 5: Solve for x
    x = 187,471,626,621.62/573,049.47
  6. Step 6: Final answer
    x = 327,147.37

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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.