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Finding the Fourth Proportional to 404,925.75, 558,797.58 and 235,170.81

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Solution

The fourth proportional to 404,925.75, 558,797.58 and 235,170.81 is: 324,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,925.75 : 558,797.58 = 235,170.81 : x
  2. Step 2: Convert to fraction form
    404,925.75/558,797.58 = 235,170.81/x
  3. Step 3: Cross multiply
    404,925.75x = 558,797.58 × 235,170.81
  4. Step 4: Simplify right side
    404,925.75x = 131,412,879,514.64
  5. Step 5: Solve for x
    x = 131,412,879,514.64/404,925.75
  6. Step 6: Final answer
    x = 324,535.74

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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.