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Finding the Fourth Proportional to 352,950.95, 487,065.92 and 191,806.56

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Solution

The fourth proportional to 352,950.95, 487,065.92 and 191,806.56 is: 264,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,950.95 : 487,065.92 = 191,806.56 : x
  2. Step 2: Convert to fraction form
    352,950.95/487,065.92 = 191,806.56/x
  3. Step 3: Cross multiply
    352,950.95x = 487,065.92 × 191,806.56
  4. Step 4: Simplify right side
    352,950.95x = 93,422,437,649.40
  5. Step 5: Solve for x
    x = 93,422,437,649.40/352,950.95
  6. Step 6: Final answer
    x = 264,689.58

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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.