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Finding the Fourth Proportional to 573,449.59, 859,637.13 and 194,104.87

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Solution

The fourth proportional to 573,449.59, 859,637.13 and 194,104.87 is: 290,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,449.59 : 859,637.13 = 194,104.87 : x
  2. Step 2: Convert to fraction form
    573,449.59/859,637.13 = 194,104.87/x
  3. Step 3: Cross multiply
    573,449.59x = 859,637.13 × 194,104.87
  4. Step 4: Simplify right side
    573,449.59x = 166,859,753,365.82
  5. Step 5: Solve for x
    x = 166,859,753,365.82/573,449.59
  6. Step 6: Final answer
    x = 290,975.45

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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.