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Finding the Fourth Proportional to 474,563.30, 654,894.79 and 259,702.85

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Solution

The fourth proportional to 474,563.30, 654,894.79 and 259,702.85 is: 358,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,563.30 : 654,894.79 = 259,702.85 : x
  2. Step 2: Convert to fraction form
    474,563.30/654,894.79 = 259,702.85/x
  3. Step 3: Cross multiply
    474,563.30x = 654,894.79 × 259,702.85
  4. Step 4: Simplify right side
    474,563.30x = 170,078,043,413.15
  5. Step 5: Solve for x
    x = 170,078,043,413.15/474,563.30
  6. Step 6: Final answer
    x = 358,388.53

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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.