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Finding the Fourth Proportional to 492,568.83, 678,967.65 and 363,092.22

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Solution

The fourth proportional to 492,568.83, 678,967.65 and 363,092.22 is: 500,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,568.83 : 678,967.65 = 363,092.22 : x
  2. Step 2: Convert to fraction form
    492,568.83/678,967.65 = 363,092.22/x
  3. Step 3: Cross multiply
    492,568.83x = 678,967.65 × 363,092.22
  4. Step 4: Simplify right side
    492,568.83x = 246,527,871,346.68
  5. Step 5: Solve for x
    x = 246,527,871,346.68/492,568.83
  6. Step 6: Final answer
    x = 500,494.26

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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.