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Finding the Fourth Proportional to 497,608.20, 746,585.10 and 217,326.60

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Solution

The fourth proportional to 497,608.20, 746,585.10 and 217,326.60 is: 326,065.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,608.20 : 746,585.10 = 217,326.60 : x
  2. Step 2: Convert to fraction form
    497,608.20/746,585.10 = 217,326.60/x
  3. Step 3: Cross multiply
    497,608.20x = 746,585.10 × 217,326.60
  4. Step 4: Simplify right side
    497,608.20x = 162,252,801,393.66
  5. Step 5: Solve for x
    x = 162,252,801,393.66/497,608.20
  6. Step 6: Final answer
    x = 326,065.37

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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.