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Finding the Fourth Proportional to 322,547.47, 483,879.51 and 132,902.33

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Solution

The fourth proportional to 322,547.47, 483,879.51 and 132,902.33 is: 199,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,547.47 : 483,879.51 = 132,902.33 : x
  2. Step 2: Convert to fraction form
    322,547.47/483,879.51 = 132,902.33/x
  3. Step 3: Cross multiply
    322,547.47x = 483,879.51 × 132,902.33
  4. Step 4: Simplify right side
    322,547.47x = 64,308,713,653.75
  5. Step 5: Solve for x
    x = 64,308,713,653.75/322,547.47
  6. Step 6: Final answer
    x = 199,377.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.