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Finding the Fourth Proportional to 400,179.28, 600,269.92 and 163,521.91

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Solution

The fourth proportional to 400,179.28, 600,269.92 and 163,521.91 is: 245,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,179.28 : 600,269.92 = 163,521.91 : x
  2. Step 2: Convert to fraction form
    400,179.28/600,269.92 = 163,521.91/x
  3. Step 3: Cross multiply
    400,179.28x = 600,269.92 × 163,521.91
  4. Step 4: Simplify right side
    400,179.28x = 98,157,283,833.95
  5. Step 5: Solve for x
    x = 98,157,283,833.95/400,179.28
  6. Step 6: Final answer
    x = 245,283.28

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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.