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Finding the Fourth Proportional to 404,431.84, 558,119.01 and 223,150.42

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Solution

The fourth proportional to 404,431.84, 558,119.01 and 223,150.42 is: 307,949.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,431.84 : 558,119.01 = 223,150.42 : x
  2. Step 2: Convert to fraction form
    404,431.84/558,119.01 = 223,150.42/x
  3. Step 3: Cross multiply
    404,431.84x = 558,119.01 × 223,150.42
  4. Step 4: Simplify right side
    404,431.84x = 124,544,491,491.48
  5. Step 5: Solve for x
    x = 124,544,491,491.48/404,431.84
  6. Step 6: Final answer
    x = 307,949.27

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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.