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Finding the Fourth Proportional to 806,740.36, 1,113,175.92 and 467,143

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Solution

The fourth proportional to 806,740.36, 1,113,175.92 and 467,143 is: 644,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,740.36 : 1,113,175.92 = 467,143 : x
  2. Step 2: Convert to fraction form
    806,740.36/1,113,175.92 = 467,143/x
  3. Step 3: Cross multiply
    806,740.36x = 1,113,175.92 × 467,143
  4. Step 4: Simplify right side
    806,740.36x = 520,012,338,796.56
  5. Step 5: Solve for x
    x = 520,012,338,796.56/806,740.36
  6. Step 6: Final answer
    x = 644,584.51

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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.