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Finding the Fourth Proportional to 323,714.60, 485,426.10 and 123,968.60

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Solution

The fourth proportional to 323,714.60, 485,426.10 and 123,968.60 is: 185,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,714.60 : 485,426.10 = 123,968.60 : x
  2. Step 2: Convert to fraction form
    323,714.60/485,426.10 = 123,968.60/x
  3. Step 3: Cross multiply
    323,714.60x = 485,426.10 × 123,968.60
  4. Step 4: Simplify right side
    323,714.60x = 60,177,594,020.46
  5. Step 5: Solve for x
    x = 60,177,594,020.46/323,714.60
  6. Step 6: Final answer
    x = 185,897.06

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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.