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Finding the Fourth Proportional to 368,331.60, 552,691.80 and 168,682.80

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Solution

The fourth proportional to 368,331.60, 552,691.80 and 168,682.80 is: 253,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,331.60 : 552,691.80 = 168,682.80 : x
  2. Step 2: Convert to fraction form
    368,331.60/552,691.80 = 168,682.80/x
  3. Step 3: Cross multiply
    368,331.60x = 552,691.80 × 168,682.80
  4. Step 4: Simplify right side
    368,331.60x = 93,229,600,361.04
  5. Step 5: Solve for x
    x = 93,229,600,361.04/368,331.60
  6. Step 6: Final answer
    x = 253,113.23

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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.