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Finding the Fourth Proportional to 252,297.84, 378,446.73 and 173,172.18

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Solution

The fourth proportional to 252,297.84, 378,446.73 and 173,172.18 is: 259,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,297.84 : 378,446.73 = 173,172.18 : x
  2. Step 2: Convert to fraction form
    252,297.84/378,446.73 = 173,172.18/x
  3. Step 3: Cross multiply
    252,297.84x = 378,446.73 × 173,172.18
  4. Step 4: Simplify right side
    252,297.84x = 65,536,444,863.08
  5. Step 5: Solve for x
    x = 65,536,444,863.08/252,297.84
  6. Step 6: Final answer
    x = 259,758.25

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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.