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Finding the Fourth Proportional to 327,139.60, 492,021.60 and 293,022.40

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Solution

The fourth proportional to 327,139.60, 492,021.60 and 293,022.40 is: 440,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,139.60 : 492,021.60 = 293,022.40 : x
  2. Step 2: Convert to fraction form
    327,139.60/492,021.60 = 293,022.40/x
  3. Step 3: Cross multiply
    327,139.60x = 492,021.60 × 293,022.40
  4. Step 4: Simplify right side
    327,139.60x = 144,173,350,083.84
  5. Step 5: Solve for x
    x = 144,173,350,083.84/327,139.60
  6. Step 6: Final answer
    x = 440,708.95

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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.