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Finding the Fourth Proportional to 773,859, 1,067,925.40 and 434,327.25

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Solution

The fourth proportional to 773,859, 1,067,925.40 and 434,327.25 is: 599,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,859 : 1,067,925.40 = 434,327.25 : x
  2. Step 2: Convert to fraction form
    773,859/1,067,925.40 = 434,327.25/x
  3. Step 3: Cross multiply
    773,859x = 1,067,925.40 × 434,327.25
  4. Step 4: Simplify right side
    773,859x = 463,829,102,187.15
  5. Step 5: Solve for x
    x = 463,829,102,187.15/773,859
  6. Step 6: Final answer
    x = 599,371.59

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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.