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Finding the Fourth Proportional to 474,793.60, 655,110.41 and 281,105.14

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Solution

The fourth proportional to 474,793.60, 655,110.41 and 281,105.14 is: 387,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,793.60 : 655,110.41 = 281,105.14 : x
  2. Step 2: Convert to fraction form
    474,793.60/655,110.41 = 281,105.14/x
  3. Step 3: Cross multiply
    474,793.60x = 655,110.41 × 281,105.14
  4. Step 4: Simplify right side
    474,793.60x = 184,154,903,518.51
  5. Step 5: Solve for x
    x = 184,154,903,518.51/474,793.60
  6. Step 6: Final answer
    x = 387,863.07

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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.