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Finding the Fourth Proportional to 486,253.88, 670,227.23 and 325,050.11

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Solution

The fourth proportional to 486,253.88, 670,227.23 and 325,050.11 is: 448,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,253.88 : 670,227.23 = 325,050.11 : x
  2. Step 2: Convert to fraction form
    486,253.88/670,227.23 = 325,050.11/x
  3. Step 3: Cross multiply
    486,253.88x = 670,227.23 × 325,050.11
  4. Step 4: Simplify right side
    486,253.88x = 217,857,434,836.50
  5. Step 5: Solve for x
    x = 217,857,434,836.50/486,253.88
  6. Step 6: Final answer
    x = 448,032.28

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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.