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Finding the Fourth Proportional to 564,532.38, 779,055.78 and 335,135.67

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Solution

The fourth proportional to 564,532.38, 779,055.78 and 335,135.67 is: 462,487.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,532.38 : 779,055.78 = 335,135.67 : x
  2. Step 2: Convert to fraction form
    564,532.38/779,055.78 = 335,135.67/x
  3. Step 3: Cross multiply
    564,532.38x = 779,055.78 × 335,135.67
  4. Step 4: Simplify right side
    564,532.38x = 261,089,380,797.67
  5. Step 5: Solve for x
    x = 261,089,380,797.67/564,532.38
  6. Step 6: Final answer
    x = 462,487.88

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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.