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Finding the Fourth Proportional to 585,737.87, 878,902.55 and 265,685.77

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Solution

The fourth proportional to 585,737.87, 878,902.55 and 265,685.77 is: 398,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,737.87 : 878,902.55 = 265,685.77 : x
  2. Step 2: Convert to fraction form
    585,737.87/878,902.55 = 265,685.77/x
  3. Step 3: Cross multiply
    585,737.87x = 878,902.55 × 265,685.77
  4. Step 4: Simplify right side
    585,737.87x = 233,511,901,518.23
  5. Step 5: Solve for x
    x = 233,511,901,518.23/585,737.87
  6. Step 6: Final answer
    x = 398,662.81

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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.