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Finding the Fourth Proportional to 403,701.80, 605,466.30 and 179,061.80

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Solution

The fourth proportional to 403,701.80, 605,466.30 and 179,061.80 is: 268,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,701.80 : 605,466.30 = 179,061.80 : x
  2. Step 2: Convert to fraction form
    403,701.80/605,466.30 = 179,061.80/x
  3. Step 3: Cross multiply
    403,701.80x = 605,466.30 × 179,061.80
  4. Step 4: Simplify right side
    403,701.80x = 108,415,885,517.34
  5. Step 5: Solve for x
    x = 108,415,885,517.34/403,701.80
  6. Step 6: Final answer
    x = 268,554.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.