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Finding the Fourth Proportional to 331,175.56, 456,151.68 and 254,548.12

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Solution

The fourth proportional to 331,175.56, 456,151.68 and 254,548.12 is: 350,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,175.56 : 456,151.68 = 254,548.12 : x
  2. Step 2: Convert to fraction form
    331,175.56/456,151.68 = 254,548.12/x
  3. Step 3: Cross multiply
    331,175.56x = 456,151.68 × 254,548.12
  4. Step 4: Simplify right side
    331,175.56x = 116,112,552,578.84
  5. Step 5: Solve for x
    x = 116,112,552,578.84/331,175.56
  6. Step 6: Final answer
    x = 350,607.25

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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.