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Finding the Fourth Proportional to 592,147.50, 888,228.81 and 171,423.78

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Solution

The fourth proportional to 592,147.50, 888,228.81 and 171,423.78 is: 257,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,147.50 : 888,228.81 = 171,423.78 : x
  2. Step 2: Convert to fraction form
    592,147.50/888,228.81 = 171,423.78/x
  3. Step 3: Cross multiply
    592,147.50x = 888,228.81 × 171,423.78
  4. Step 4: Simplify right side
    592,147.50x = 152,263,540,115.10
  5. Step 5: Solve for x
    x = 152,263,540,115.10/592,147.50
  6. Step 6: Final answer
    x = 257,137.86

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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.