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Finding the Fourth Proportional to 360,121.32, 496,954.71 and 198,973.44

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Solution

The fourth proportional to 360,121.32, 496,954.71 and 198,973.44 is: 274,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,121.32 : 496,954.71 = 198,973.44 : x
  2. Step 2: Convert to fraction form
    360,121.32/496,954.71 = 198,973.44/x
  3. Step 3: Cross multiply
    360,121.32x = 496,954.71 × 198,973.44
  4. Step 4: Simplify right side
    360,121.32x = 98,880,788,172.90
  5. Step 5: Solve for x
    x = 98,880,788,172.90/360,121.32
  6. Step 6: Final answer
    x = 274,576.32

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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.