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Finding the Fourth Proportional to 361,561.92, 498,947.51 and 200,415.55

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Solution

The fourth proportional to 361,561.92, 498,947.51 and 200,415.55 is: 276,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,561.92 : 498,947.51 = 200,415.55 : x
  2. Step 2: Convert to fraction form
    361,561.92/498,947.51 = 200,415.55/x
  3. Step 3: Cross multiply
    361,561.92x = 498,947.51 × 200,415.55
  4. Step 4: Simplify right side
    361,561.92x = 99,996,839,637.78
  5. Step 5: Solve for x
    x = 99,996,839,637.78/361,561.92
  6. Step 6: Final answer
    x = 276,569.06

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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.