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Finding the Fourth Proportional to 363,844.68, 545,825.34 and 153,513.60

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Solution

The fourth proportional to 363,844.68, 545,825.34 and 153,513.60 is: 230,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,844.68 : 545,825.34 = 153,513.60 : x
  2. Step 2: Convert to fraction form
    363,844.68/545,825.34 = 153,513.60/x
  3. Step 3: Cross multiply
    363,844.68x = 545,825.34 × 153,513.60
  4. Step 4: Simplify right side
    363,844.68x = 83,791,612,914.62
  5. Step 5: Solve for x
    x = 83,791,612,914.62/363,844.68
  6. Step 6: Final answer
    x = 230,295.01

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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.