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Finding the Fourth Proportional to 352,544.89, 486,511.95 and 191,399.95

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Solution

The fourth proportional to 352,544.89, 486,511.95 and 191,399.95 is: 264,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,544.89 : 486,511.95 = 191,399.95 : x
  2. Step 2: Convert to fraction form
    352,544.89/486,511.95 = 191,399.95/x
  3. Step 3: Cross multiply
    352,544.89x = 486,511.95 × 191,399.95
  4. Step 4: Simplify right side
    352,544.89x = 93,118,362,904.40
  5. Step 5: Solve for x
    x = 93,118,362,904.40/352,544.89
  6. Step 6: Final answer
    x = 264,131.93

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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.