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Finding the Fourth Proportional to 377,217.60, 565,810.20 and 127,899.60

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Solution

The fourth proportional to 377,217.60, 565,810.20 and 127,899.60 is: 191,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,217.60 : 565,810.20 = 127,899.60 : x
  2. Step 2: Convert to fraction form
    377,217.60/565,810.20 = 127,899.60/x
  3. Step 3: Cross multiply
    377,217.60x = 565,810.20 × 127,899.60
  4. Step 4: Simplify right side
    377,217.60x = 72,366,898,255.92
  5. Step 5: Solve for x
    x = 72,366,898,255.92/377,217.60
  6. Step 6: Final answer
    x = 191,843.91

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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.