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Finding the Fourth Proportional to 480,774.32, 721,268.08 and 181,257.48

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Solution

The fourth proportional to 480,774.32, 721,268.08 and 181,257.48 is: 271,926.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,774.32 : 721,268.08 = 181,257.48 : x
  2. Step 2: Convert to fraction form
    480,774.32/721,268.08 = 181,257.48/x
  3. Step 3: Cross multiply
    480,774.32x = 721,268.08 × 181,257.48
  4. Step 4: Simplify right side
    480,774.32x = 130,735,234,585.24
  5. Step 5: Solve for x
    x = 130,735,234,585.24/480,774.32
  6. Step 6: Final answer
    x = 271,926.41

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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.