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Finding the Fourth Proportional to 361,529.68, 498,940.83 and 200,435.26

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Solution

The fourth proportional to 361,529.68, 498,940.83 and 200,435.26 is: 276,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,529.68 : 498,940.83 = 200,435.26 : x
  2. Step 2: Convert to fraction form
    361,529.68/498,940.83 = 200,435.26/x
  3. Step 3: Cross multiply
    361,529.68x = 498,940.83 × 200,435.26
  4. Step 4: Simplify right side
    361,529.68x = 100,005,334,985.67
  5. Step 5: Solve for x
    x = 100,005,334,985.67/361,529.68
  6. Step 6: Final answer
    x = 276,617.22

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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.