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Finding the Fourth Proportional to 259,016.67, 357,468.60 and 151,580.30

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Solution

The fourth proportional to 259,016.67, 357,468.60 and 151,580.30 is: 209,195.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,016.67 : 357,468.60 = 151,580.30 : x
  2. Step 2: Convert to fraction form
    259,016.67/357,468.60 = 151,580.30/x
  3. Step 3: Cross multiply
    259,016.67x = 357,468.60 × 151,580.30
  4. Step 4: Simplify right side
    259,016.67x = 54,185,195,841.24
  5. Step 5: Solve for x
    x = 54,185,195,841.24/259,016.67
  6. Step 6: Final answer
    x = 209,195.79

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1.5x scale

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.