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Finding the Fourth Proportional to 550,889.84, 826,338.40 and 151,572.80

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Solution

The fourth proportional to 550,889.84, 826,338.40 and 151,572.80 is: 227,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,889.84 : 826,338.40 = 151,572.80 : x
  2. Step 2: Convert to fraction form
    550,889.84/826,338.40 = 151,572.80/x
  3. Step 3: Cross multiply
    550,889.84x = 826,338.40 × 151,572.80
  4. Step 4: Simplify right side
    550,889.84x = 125,250,425,035.52
  5. Step 5: Solve for x
    x = 125,250,425,035.52/550,889.84
  6. Step 6: Final answer
    x = 227,360.20

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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.