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Finding the Fourth Proportional to 273,218.60, 409,827.90 and 252,223.40

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Solution

The fourth proportional to 273,218.60, 409,827.90 and 252,223.40 is: 378,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,218.60 : 409,827.90 = 252,223.40 : x
  2. Step 2: Convert to fraction form
    273,218.60/409,827.90 = 252,223.40/x
  3. Step 3: Cross multiply
    273,218.60x = 409,827.90 × 252,223.40
  4. Step 4: Simplify right side
    273,218.60x = 103,368,186,352.86
  5. Step 5: Solve for x
    x = 103,368,186,352.86/273,218.60
  6. Step 6: Final answer
    x = 378,335.10

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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.