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Finding the Fourth Proportional to 361,809.32, 499,320.88 and 200,671.16

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Solution

The fourth proportional to 361,809.32, 499,320.88 and 200,671.16 is: 276,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,809.32 : 499,320.88 = 200,671.16 : x
  2. Step 2: Convert to fraction form
    361,809.32/499,320.88 = 200,671.16/x
  3. Step 3: Cross multiply
    361,809.32x = 499,320.88 × 200,671.16
  4. Step 4: Simplify right side
    361,809.32x = 100,199,300,201.82
  5. Step 5: Solve for x
    x = 100,199,300,201.82/361,809.32
  6. Step 6: Final answer
    x = 276,939.52

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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.