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Finding the Fourth Proportional to 231,878.20, 325,562.60 and 231,878.20

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Solution

The fourth proportional to 231,878.20, 325,562.60 and 231,878.20 is: 325,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,878.20 : 325,562.60 = 231,878.20 : x
  2. Step 2: Convert to fraction form
    231,878.20/325,562.60 = 231,878.20/x
  3. Step 3: Cross multiply
    231,878.20x = 325,562.60 × 231,878.20
  4. Step 4: Simplify right side
    231,878.20x = 75,490,869,675.32
  5. Step 5: Solve for x
    x = 75,490,869,675.32/231,878.20
  6. Step 6: Final answer
    x = 325,562.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.