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Finding the Fourth Proportional to 404,903.65, 558,767.03 and 235,148.71

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Solution

The fourth proportional to 404,903.65, 558,767.03 and 235,148.71 is: 324,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,903.65 : 558,767.03 = 235,148.71 : x
  2. Step 2: Convert to fraction form
    404,903.65/558,767.03 = 235,148.71/x
  3. Step 3: Cross multiply
    404,903.65x = 558,767.03 × 235,148.71
  4. Step 4: Simplify right side
    404,903.65x = 131,393,346,295.03
  5. Step 5: Solve for x
    x = 131,393,346,295.03/404,903.65
  6. Step 6: Final answer
    x = 324,505.22

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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.