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Finding the Fourth Proportional to 276,046.60, 413,810.70 and 216,041.80

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Solution

The fourth proportional to 276,046.60, 413,810.70 and 216,041.80 is: 323,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,046.60 : 413,810.70 = 216,041.80 : x
  2. Step 2: Convert to fraction form
    276,046.60/413,810.70 = 216,041.80/x
  3. Step 3: Cross multiply
    276,046.60x = 413,810.70 × 216,041.80
  4. Step 4: Simplify right side
    276,046.60x = 89,400,408,487.26
  5. Step 5: Solve for x
    x = 89,400,408,487.26/276,046.60
  6. Step 6: Final answer
    x = 323,859.84

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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.