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Finding the Fourth Proportional to 258,010.20, 386,359.20 and 246,200.40

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Solution

The fourth proportional to 258,010.20, 386,359.20 and 246,200.40 is: 368,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,010.20 : 386,359.20 = 246,200.40 : x
  2. Step 2: Convert to fraction form
    258,010.20/386,359.20 = 246,200.40/x
  3. Step 3: Cross multiply
    258,010.20x = 386,359.20 × 246,200.40
  4. Step 4: Simplify right side
    258,010.20x = 95,121,789,583.68
  5. Step 5: Solve for x
    x = 95,121,789,583.68/258,010.20
  6. Step 6: Final answer
    x = 368,674.53

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1.5x scale

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.