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Finding the Fourth Proportional to 564,968.73, 779,658.98 and 306,846.03

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Solution

The fourth proportional to 564,968.73, 779,658.98 and 306,846.03 is: 423,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,968.73 : 779,658.98 = 306,846.03 : x
  2. Step 2: Convert to fraction form
    564,968.73/779,658.98 = 306,846.03/x
  3. Step 3: Cross multiply
    564,968.73x = 779,658.98 × 306,846.03
  4. Step 4: Simplify right side
    564,968.73x = 239,235,261,232.62
  5. Step 5: Solve for x
    x = 239,235,261,232.62/564,968.73
  6. Step 6: Final answer
    x = 423,448.68

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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.