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Finding the Fourth Proportional to 404,904.78, 558,768.59 and 235,149.84

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Solution

The fourth proportional to 404,904.78, 558,768.59 and 235,149.84 is: 324,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,904.78 : 558,768.59 = 235,149.84 : x
  2. Step 2: Convert to fraction form
    404,904.78/558,768.59 = 235,149.84/x
  3. Step 3: Cross multiply
    404,904.78x = 558,768.59 × 235,149.84
  4. Step 4: Simplify right side
    404,904.78x = 131,394,343,359.78
  5. Step 5: Solve for x
    x = 131,394,343,359.78/404,904.78
  6. Step 6: Final answer
    x = 324,506.77

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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.