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Finding the Fourth Proportional to 332,825.36, 499,362.71 and 172,801.40

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Solution

The fourth proportional to 332,825.36, 499,362.71 and 172,801.40 is: 259,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,825.36 : 499,362.71 = 172,801.40 : x
  2. Step 2: Convert to fraction form
    332,825.36/499,362.71 = 172,801.40/x
  3. Step 3: Cross multiply
    332,825.36x = 499,362.71 × 172,801.40
  4. Step 4: Simplify right side
    332,825.36x = 86,290,572,034.97
  5. Step 5: Solve for x
    x = 86,290,572,034.97/332,825.36
  6. Step 6: Final answer
    x = 259,266.82

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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.