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Finding the Fourth Proportional to 557,772, 839,692.86 and 508,170.84

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Solution

The fourth proportional to 557,772, 839,692.86 and 508,170.84 is: 765,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,772 : 839,692.86 = 508,170.84 : x
  2. Step 2: Convert to fraction form
    557,772/839,692.86 = 508,170.84/x
  3. Step 3: Cross multiply
    557,772x = 839,692.86 × 508,170.84
  4. Step 4: Simplify right side
    557,772x = 426,707,426,008.20
  5. Step 5: Solve for x
    x = 426,707,426,008.20/557,772
  6. Step 6: Final answer
    x = 765,021.24

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.