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Finding the Fourth Proportional to 573,064.56, 859,062.28 and 193,721.52

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Solution

The fourth proportional to 573,064.56, 859,062.28 and 193,721.52 is: 290,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,064.56 : 859,062.28 = 193,721.52 : x
  2. Step 2: Convert to fraction form
    573,064.56/859,062.28 = 193,721.52/x
  3. Step 3: Cross multiply
    573,064.56x = 859,062.28 × 193,721.52
  4. Step 4: Simplify right side
    573,064.56x = 166,418,850,656.27
  5. Step 5: Solve for x
    x = 166,418,850,656.27/573,064.56
  6. Step 6: Final answer
    x = 290,401.57

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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.