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Finding the Fourth Proportional to 360,006.32, 496,799.08 and 198,857.92

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Solution

The fourth proportional to 360,006.32, 496,799.08 and 198,857.92 is: 274,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,006.32 : 496,799.08 = 198,857.92 : x
  2. Step 2: Convert to fraction form
    360,006.32/496,799.08 = 198,857.92/x
  3. Step 3: Cross multiply
    360,006.32x = 496,799.08 × 198,857.92
  4. Step 4: Simplify right side
    360,006.32x = 98,792,431,706.71
  5. Step 5: Solve for x
    x = 98,792,431,706.71/360,006.32
  6. Step 6: Final answer
    x = 274,418.60

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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.