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Finding the Fourth Proportional to 352,122.40, 527,600.40 and 299,634.40

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Solution

The fourth proportional to 352,122.40, 527,600.40 and 299,634.40 is: 448,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,122.40 : 527,600.40 = 299,634.40 : x
  2. Step 2: Convert to fraction form
    352,122.40/527,600.40 = 299,634.40/x
  3. Step 3: Cross multiply
    352,122.40x = 527,600.40 × 299,634.40
  4. Step 4: Simplify right side
    352,122.40x = 158,087,229,293.76
  5. Step 5: Solve for x
    x = 158,087,229,293.76/352,122.40
  6. Step 6: Final answer
    x = 448,955.33

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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.