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Finding the Fourth Proportional to 628,658.66, 943,022.84 and 179,344.98

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Solution

The fourth proportional to 628,658.66, 943,022.84 and 179,344.98 is: 269,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,658.66 : 943,022.84 = 179,344.98 : x
  2. Step 2: Convert to fraction form
    628,658.66/943,022.84 = 179,344.98/x
  3. Step 3: Cross multiply
    628,658.66x = 943,022.84 × 179,344.98
  4. Step 4: Simplify right side
    628,658.66x = 169,126,411,482.62
  5. Step 5: Solve for x
    x = 169,126,411,482.62/628,658.66
  6. Step 6: Final answer
    x = 269,027.41

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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.