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Finding the Fourth Proportional to 376,410.72, 519,273.52 and 240,376.52

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Solution

The fourth proportional to 376,410.72, 519,273.52 and 240,376.52 is: 331,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,410.72 : 519,273.52 = 240,376.52 : x
  2. Step 2: Convert to fraction form
    376,410.72/519,273.52 = 240,376.52/x
  3. Step 3: Cross multiply
    376,410.72x = 519,273.52 × 240,376.52
  4. Step 4: Simplify right side
    376,410.72x = 124,821,161,665.75
  5. Step 5: Solve for x
    x = 124,821,161,665.75/376,410.72
  6. Step 6: Final answer
    x = 331,608.94

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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.