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Finding the Fourth Proportional to 403,885.44, 557,362.56 and 234,218.88

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Solution

The fourth proportional to 403,885.44, 557,362.56 and 234,218.88 is: 323,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,885.44 : 557,362.56 = 234,218.88 : x
  2. Step 2: Convert to fraction form
    403,885.44/557,362.56 = 234,218.88/x
  3. Step 3: Cross multiply
    403,885.44x = 557,362.56 × 234,218.88
  4. Step 4: Simplify right side
    403,885.44x = 130,544,834,557.13
  5. Step 5: Solve for x
    x = 130,544,834,557.13/403,885.44
  6. Step 6: Final answer
    x = 323,222.43

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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.