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Finding the Fourth Proportional to 377,284.60, 565,910.70 and 127,966.60

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Solution

The fourth proportional to 377,284.60, 565,910.70 and 127,966.60 is: 191,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,284.60 : 565,910.70 = 127,966.60 : x
  2. Step 2: Convert to fraction form
    377,284.60/565,910.70 = 127,966.60/x
  3. Step 3: Cross multiply
    377,284.60x = 565,910.70 × 127,966.60
  4. Step 4: Simplify right side
    377,284.60x = 72,417,668,182.62
  5. Step 5: Solve for x
    x = 72,417,668,182.62/377,284.60
  6. Step 6: Final answer
    x = 191,944.41

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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.