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Finding the Fourth Proportional to 377,283.60, 565,909.20 and 127,965.60

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Solution

The fourth proportional to 377,283.60, 565,909.20 and 127,965.60 is: 191,942.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,283.60 : 565,909.20 = 127,965.60 : x
  2. Step 2: Convert to fraction form
    377,283.60/565,909.20 = 127,965.60/x
  3. Step 3: Cross multiply
    377,283.60x = 565,909.20 × 127,965.60
  4. Step 4: Simplify right side
    377,283.60x = 72,416,910,323.52
  5. Step 5: Solve for x
    x = 72,416,910,323.52/377,283.60
  6. Step 6: Final answer
    x = 191,942.91

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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.