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Finding the Fourth Proportional to 327,088.40, 490,632.60 and 169,624.40

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Solution

The fourth proportional to 327,088.40, 490,632.60 and 169,624.40 is: 254,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,088.40 : 490,632.60 = 169,624.40 : x
  2. Step 2: Convert to fraction form
    327,088.40/490,632.60 = 169,624.40/x
  3. Step 3: Cross multiply
    327,088.40x = 490,632.60 × 169,624.40
  4. Step 4: Simplify right side
    327,088.40x = 83,223,260,395.44
  5. Step 5: Solve for x
    x = 83,223,260,395.44/327,088.40
  6. Step 6: Final answer
    x = 254,436.60

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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.