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Finding the Fourth Proportional to 564,136.65, 778,577.47 and 322,429.41

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Solution

The fourth proportional to 564,136.65, 778,577.47 and 322,429.41 is: 444,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,136.65 : 778,577.47 = 322,429.41 : x
  2. Step 2: Convert to fraction form
    564,136.65/778,577.47 = 322,429.41/x
  3. Step 3: Cross multiply
    564,136.65x = 778,577.47 × 322,429.41
  4. Step 4: Simplify right side
    564,136.65x = 251,036,273,485.32
  5. Step 5: Solve for x
    x = 251,036,273,485.32/564,136.65
  6. Step 6: Final answer
    x = 444,991.96

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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.