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Finding the Fourth Proportional to 404,233.92, 557,908.80 and 243,177.84

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Solution

The fourth proportional to 404,233.92, 557,908.80 and 243,177.84 is: 335,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,233.92 : 557,908.80 = 243,177.84 : x
  2. Step 2: Convert to fraction form
    404,233.92/557,908.80 = 243,177.84/x
  3. Step 3: Cross multiply
    404,233.92x = 557,908.80 × 243,177.84
  4. Step 4: Simplify right side
    404,233.92x = 135,671,056,900.99
  5. Step 5: Solve for x
    x = 135,671,056,900.99/404,233.92
  6. Step 6: Final answer
    x = 335,625.12

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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.