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Finding the Fourth Proportional to 232,360.60, 348,540.90 and 206,991.40

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Solution

The fourth proportional to 232,360.60, 348,540.90 and 206,991.40 is: 310,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,360.60 : 348,540.90 = 206,991.40 : x
  2. Step 2: Convert to fraction form
    232,360.60/348,540.90 = 206,991.40/x
  3. Step 3: Cross multiply
    232,360.60x = 348,540.90 × 206,991.40
  4. Step 4: Simplify right side
    232,360.60x = 72,144,968,848.26
  5. Step 5: Solve for x
    x = 72,144,968,848.26/232,360.60
  6. Step 6: Final answer
    x = 310,487.10

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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.