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Finding the Fourth Proportional to 367,043.60, 550,565.40 and 260,755.40

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Solution

The fourth proportional to 367,043.60, 550,565.40 and 260,755.40 is: 391,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,043.60 : 550,565.40 = 260,755.40 : x
  2. Step 2: Convert to fraction form
    367,043.60/550,565.40 = 260,755.40/x
  3. Step 3: Cross multiply
    367,043.60x = 550,565.40 × 260,755.40
  4. Step 4: Simplify right side
    367,043.60x = 143,562,901,103.16
  5. Step 5: Solve for x
    x = 143,562,901,103.16/367,043.60
  6. Step 6: Final answer
    x = 391,133.10

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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.