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Finding the Fourth Proportional to 409,050.78, 613,533.24 and 109,562.28

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Solution

The fourth proportional to 409,050.78, 613,533.24 and 109,562.28 is: 164,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,050.78 : 613,533.24 = 109,562.28 : x
  2. Step 2: Convert to fraction form
    409,050.78/613,533.24 = 109,562.28/x
  3. Step 3: Cross multiply
    409,050.78x = 613,533.24 × 109,562.28
  4. Step 4: Simplify right side
    409,050.78x = 67,220,100,630.19
  5. Step 5: Solve for x
    x = 67,220,100,630.19/409,050.78
  6. Step 6: Final answer
    x = 164,331.92

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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.