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Finding the Fourth Proportional to 295,820.84, 442,413.66 and 262,755.56

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Solution

The fourth proportional to 295,820.84, 442,413.66 and 262,755.56 is: 392,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,820.84 : 442,413.66 = 262,755.56 : x
  2. Step 2: Convert to fraction form
    295,820.84/442,413.66 = 262,755.56/x
  3. Step 3: Cross multiply
    295,820.84x = 442,413.66 × 262,755.56
  4. Step 4: Simplify right side
    295,820.84x = 116,246,648,984.95
  5. Step 5: Solve for x
    x = 116,246,648,984.95/295,820.84
  6. Step 6: Final answer
    x = 392,963.01

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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.