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Finding the Fourth Proportional to 295,304.20, 442,956.30 and 137,548.60

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Solution

The fourth proportional to 295,304.20, 442,956.30 and 137,548.60 is: 206,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,304.20 : 442,956.30 = 137,548.60 : x
  2. Step 2: Convert to fraction form
    295,304.20/442,956.30 = 137,548.60/x
  3. Step 3: Cross multiply
    295,304.20x = 442,956.30 × 137,548.60
  4. Step 4: Simplify right side
    295,304.20x = 60,928,018,926.18
  5. Step 5: Solve for x
    x = 60,928,018,926.18/295,304.20
  6. Step 6: Final answer
    x = 206,322.90

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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.