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Finding the Fourth Proportional to 335,685.60, 503,411.04 and 98,965.44

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Solution

The fourth proportional to 335,685.60, 503,411.04 and 98,965.44 is: 148,413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,685.60 : 503,411.04 = 98,965.44 : x
  2. Step 2: Convert to fraction form
    335,685.60/503,411.04 = 98,965.44/x
  3. Step 3: Cross multiply
    335,685.60x = 503,411.04 × 98,965.44
  4. Step 4: Simplify right side
    335,685.60x = 49,820,295,074.46
  5. Step 5: Solve for x
    x = 49,820,295,074.46/335,685.60
  6. Step 6: Final answer
    x = 148,413.56

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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.