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Finding the Fourth Proportional to 400,179.32, 600,269.94 and 163,521.98

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Solution

The fourth proportional to 400,179.32, 600,269.94 and 163,521.98 is: 245,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,179.32 : 600,269.94 = 163,521.98 : x
  2. Step 2: Convert to fraction form
    400,179.32/600,269.94 = 163,521.98/x
  3. Step 3: Cross multiply
    400,179.32x = 600,269.94 × 163,521.98
  4. Step 4: Simplify right side
    400,179.32x = 98,157,326,121.93
  5. Step 5: Solve for x
    x = 98,157,326,121.93/400,179.32
  6. Step 6: Final answer
    x = 245,283.36

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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.