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Finding the Fourth Proportional to 580,010.84, 869,849.22 and 159,300.44

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Solution

The fourth proportional to 580,010.84, 869,849.22 and 159,300.44 is: 238,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,010.84 : 869,849.22 = 159,300.44 : x
  2. Step 2: Convert to fraction form
    580,010.84/869,849.22 = 159,300.44/x
  3. Step 3: Cross multiply
    580,010.84x = 869,849.22 × 159,300.44
  4. Step 4: Simplify right side
    580,010.84x = 138,567,363,479.66
  5. Step 5: Solve for x
    x = 138,567,363,479.66/580,010.84
  6. Step 6: Final answer
    x = 238,904.78

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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.