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Finding the Fourth Proportional to 327,360.80, 491,041.20 and 117,005.60

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Solution

The fourth proportional to 327,360.80, 491,041.20 and 117,005.60 is: 175,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,360.80 : 491,041.20 = 117,005.60 : x
  2. Step 2: Convert to fraction form
    327,360.80/491,041.20 = 117,005.60/x
  3. Step 3: Cross multiply
    327,360.80x = 491,041.20 × 117,005.60
  4. Step 4: Simplify right side
    327,360.80x = 57,454,570,230.72
  5. Step 5: Solve for x
    x = 57,454,570,230.72/327,360.80
  6. Step 6: Final answer
    x = 175,508.40

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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.