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Finding the Fourth Proportional to 564,369.68, 778,608.44 and 322,522.50

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Solution

The fourth proportional to 564,369.68, 778,608.44 and 322,522.50 is: 444,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,369.68 : 778,608.44 = 322,522.50 : x
  2. Step 2: Convert to fraction form
    564,369.68/778,608.44 = 322,522.50/x
  3. Step 3: Cross multiply
    564,369.68x = 778,608.44 × 322,522.50
  4. Step 4: Simplify right side
    564,369.68x = 251,118,738,977.29
  5. Step 5: Solve for x
    x = 251,118,738,977.29/564,369.68
  6. Step 6: Final answer
    x = 444,954.34

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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.