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Finding the Fourth Proportional to 378,419.01, 567,591.66 and 153,792.92

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Solution

The fourth proportional to 378,419.01, 567,591.66 and 153,792.92 is: 230,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,419.01 : 567,591.66 = 153,792.92 : x
  2. Step 2: Convert to fraction form
    378,419.01/567,591.66 = 153,792.92/x
  3. Step 3: Cross multiply
    378,419.01x = 567,591.66 × 153,792.92
  4. Step 4: Simplify right side
    378,419.01x = 87,291,575,921.09
  5. Step 5: Solve for x
    x = 87,291,575,921.09/378,419.01
  6. Step 6: Final answer
    x = 230,674.39

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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.