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Finding the Fourth Proportional to 348,832.80, 522,082.80 and 243,856.80

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Solution

The fourth proportional to 348,832.80, 522,082.80 and 243,856.80 is: 364,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,832.80 : 522,082.80 = 243,856.80 : x
  2. Step 2: Convert to fraction form
    348,832.80/522,082.80 = 243,856.80/x
  3. Step 3: Cross multiply
    348,832.80x = 522,082.80 × 243,856.80
  4. Step 4: Simplify right side
    348,832.80x = 127,313,440,943.04
  5. Step 5: Solve for x
    x = 127,313,440,943.04/348,832.80
  6. Step 6: Final answer
    x = 364,969.81

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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.