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Finding the Fourth Proportional to 369,729.64, 510,226.89 and 199,963.75

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Solution

The fourth proportional to 369,729.64, 510,226.89 and 199,963.75 is: 275,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,729.64 : 510,226.89 = 199,963.75 : x
  2. Step 2: Convert to fraction form
    369,729.64/510,226.89 = 199,963.75/x
  3. Step 3: Cross multiply
    369,729.64x = 510,226.89 × 199,963.75
  4. Step 4: Simplify right side
    369,729.64x = 102,026,882,275.24
  5. Step 5: Solve for x
    x = 102,026,882,275.24/369,729.64
  6. Step 6: Final answer
    x = 275,949.97

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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.