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Finding the Fourth Proportional to 328,679.67, 453,568.76 and 185,453.04

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Solution

The fourth proportional to 328,679.67, 453,568.76 and 185,453.04 is: 255,920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,679.67 : 453,568.76 = 185,453.04 : x
  2. Step 2: Convert to fraction form
    328,679.67/453,568.76 = 185,453.04/x
  3. Step 3: Cross multiply
    328,679.67x = 453,568.76 × 185,453.04
  4. Step 4: Simplify right side
    328,679.67x = 84,115,707,903.27
  5. Step 5: Solve for x
    x = 84,115,707,903.27/328,679.67
  6. Step 6: Final answer
    x = 255,920.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.