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Finding the Fourth Proportional to 475,373.60, 656,015.60 and 274,169.60

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Solution

The fourth proportional to 475,373.60, 656,015.60 and 274,169.60 is: 378,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,373.60 : 656,015.60 = 274,169.60 : x
  2. Step 2: Convert to fraction form
    475,373.60/656,015.60 = 274,169.60/x
  3. Step 3: Cross multiply
    475,373.60x = 656,015.60 × 274,169.60
  4. Step 4: Simplify right side
    475,373.60x = 179,859,534,645.76
  5. Step 5: Solve for x
    x = 179,859,534,645.76/475,373.60
  6. Step 6: Final answer
    x = 378,354.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.