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Finding the Fourth Proportional to 793,906.80, 1,095,572.43 and 431,322.45

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Solution

The fourth proportional to 793,906.80, 1,095,572.43 and 431,322.45 is: 595,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,906.80 : 1,095,572.43 = 431,322.45 : x
  2. Step 2: Convert to fraction form
    793,906.80/1,095,572.43 = 431,322.45/x
  3. Step 3: Cross multiply
    793,906.80x = 1,095,572.43 × 431,322.45
  4. Step 4: Simplify right side
    793,906.80x = 472,544,984,660.05
  5. Step 5: Solve for x
    x = 472,544,984,660.05/793,906.80
  6. Step 6: Final answer
    x = 595,214.68

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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.