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Finding the Fourth Proportional to 259,435.52, 358,019.16 and 151,982.48

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Solution

The fourth proportional to 259,435.52, 358,019.16 and 151,982.48 is: 209,734.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,435.52 : 358,019.16 = 151,982.48 : x
  2. Step 2: Convert to fraction form
    259,435.52/358,019.16 = 151,982.48/x
  3. Step 3: Cross multiply
    259,435.52x = 358,019.16 × 151,982.48
  4. Step 4: Simplify right side
    259,435.52x = 54,412,639,824.32
  5. Step 5: Solve for x
    x = 54,412,639,824.32/259,435.52
  6. Step 6: Final answer
    x = 209,734.73

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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.