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Finding the Fourth Proportional to 453,694.80, 680,801.40 and 173,413.20

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Solution

The fourth proportional to 453,694.80, 680,801.40 and 173,413.20 is: 260,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,694.80 : 680,801.40 = 173,413.20 : x
  2. Step 2: Convert to fraction form
    453,694.80/680,801.40 = 173,413.20/x
  3. Step 3: Cross multiply
    453,694.80x = 680,801.40 × 173,413.20
  4. Step 4: Simplify right side
    453,694.80x = 118,059,949,338.48
  5. Step 5: Solve for x
    x = 118,059,949,338.48/453,694.80
  6. Step 6: Final answer
    x = 260,218.87

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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.