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Finding the Fourth Proportional to 263,643.12, 363,853.48 and 150,482.88

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Solution

The fourth proportional to 263,643.12, 363,853.48 and 150,482.88 is: 207,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,643.12 : 363,853.48 = 150,482.88 : x
  2. Step 2: Convert to fraction form
    263,643.12/363,853.48 = 150,482.88/x
  3. Step 3: Cross multiply
    263,643.12x = 363,853.48 × 150,482.88
  4. Step 4: Simplify right side
    263,643.12x = 54,753,719,568.42
  5. Step 5: Solve for x
    x = 54,753,719,568.42/263,643.12
  6. Step 6: Final answer
    x = 207,681.20

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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.