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Finding the Fourth Proportional to 573,009.72, 859,102.89 and 269,232.58

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Solution

The fourth proportional to 573,009.72, 859,102.89 and 269,232.58 is: 403,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,009.72 : 859,102.89 = 269,232.58 : x
  2. Step 2: Convert to fraction form
    573,009.72/859,102.89 = 269,232.58/x
  3. Step 3: Cross multiply
    573,009.72x = 859,102.89 × 269,232.58
  4. Step 4: Simplify right side
    573,009.72x = 231,298,487,560.16
  5. Step 5: Solve for x
    x = 231,298,487,560.16/573,009.72
  6. Step 6: Final answer
    x = 403,655.43

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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.