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Finding the Fourth Proportional to 473,376.20, 710,067.90 and 157,832.60

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Solution

The fourth proportional to 473,376.20, 710,067.90 and 157,832.60 is: 236,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,376.20 : 710,067.90 = 157,832.60 : x
  2. Step 2: Convert to fraction form
    473,376.20/710,067.90 = 157,832.60/x
  3. Step 3: Cross multiply
    473,376.20x = 710,067.90 × 157,832.60
  4. Step 4: Simplify right side
    473,376.20x = 112,071,862,833.54
  5. Step 5: Solve for x
    x = 112,071,862,833.54/473,376.20
  6. Step 6: Final answer
    x = 236,750.10

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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.