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Finding the Fourth Proportional to 338,399.71, 466,991.58 and 202,439.37

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Solution

The fourth proportional to 338,399.71, 466,991.58 and 202,439.37 is: 279,366.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,399.71 : 466,991.58 = 202,439.37 : x
  2. Step 2: Convert to fraction form
    338,399.71/466,991.58 = 202,439.37/x
  3. Step 3: Cross multiply
    338,399.71x = 466,991.58 × 202,439.37
  4. Step 4: Simplify right side
    338,399.71x = 94,537,481,250.50
  5. Step 5: Solve for x
    x = 94,537,481,250.50/338,399.71
  6. Step 6: Final answer
    x = 279,366.32

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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.