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Finding the Fourth Proportional to 400,329.68, 600,494.92 and 163,672.36

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Solution

The fourth proportional to 400,329.68, 600,494.92 and 163,672.36 is: 245,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,329.68 : 600,494.92 = 163,672.36 : x
  2. Step 2: Convert to fraction form
    400,329.68/600,494.92 = 163,672.36/x
  3. Step 3: Cross multiply
    400,329.68x = 600,494.92 × 163,672.36
  4. Step 4: Simplify right side
    400,329.68x = 98,284,418,813.99
  5. Step 5: Solve for x
    x = 98,284,418,813.99/400,329.68
  6. Step 6: Final answer
    x = 245,508.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.