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Finding the Fourth Proportional to 232,356.60, 348,534.90 and 206,987.40

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Solution

The fourth proportional to 232,356.60, 348,534.90 and 206,987.40 is: 310,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,356.60 : 348,534.90 = 206,987.40 : x
  2. Step 2: Convert to fraction form
    232,356.60/348,534.90 = 206,987.40/x
  3. Step 3: Cross multiply
    232,356.60x = 348,534.90 × 206,987.40
  4. Step 4: Simplify right side
    232,356.60x = 72,142,332,760.26
  5. Step 5: Solve for x
    x = 72,142,332,760.26/232,356.60
  6. Step 6: Final answer
    x = 310,481.10

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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.