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Finding the Fourth Proportional to 254,473.52, 381,841.48 and 104,824.40

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Solution

The fourth proportional to 254,473.52, 381,841.48 and 104,824.40 is: 157,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,473.52 : 381,841.48 = 104,824.40 : x
  2. Step 2: Convert to fraction form
    254,473.52/381,841.48 = 104,824.40/x
  3. Step 3: Cross multiply
    254,473.52x = 381,841.48 × 104,824.40
  4. Step 4: Simplify right side
    254,473.52x = 40,026,304,036.11
  5. Step 5: Solve for x
    x = 40,026,304,036.11/254,473.52
  6. Step 6: Final answer
    x = 157,290.64

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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.