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Finding the Fourth Proportional to 562,912.87, 776,813.93 and 304,785.37

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Solution

The fourth proportional to 562,912.87, 776,813.93 and 304,785.37 is: 420,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,912.87 : 776,813.93 = 304,785.37 : x
  2. Step 2: Convert to fraction form
    562,912.87/776,813.93 = 304,785.37/x
  3. Step 3: Cross multiply
    562,912.87x = 776,813.93 × 304,785.37
  4. Step 4: Simplify right side
    562,912.87x = 236,761,519,552.28
  5. Step 5: Solve for x
    x = 236,761,519,552.28/562,912.87
  6. Step 6: Final answer
    x = 420,600.65

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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.