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Finding the Fourth Proportional to 375,491.09, 563,362.38 and 122,783.24

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Solution

The fourth proportional to 375,491.09, 563,362.38 and 122,783.24 is: 184,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,491.09 : 563,362.38 = 122,783.24 : x
  2. Step 2: Convert to fraction form
    375,491.09/563,362.38 = 122,783.24/x
  3. Step 3: Cross multiply
    375,491.09x = 563,362.38 × 122,783.24
  4. Step 4: Simplify right side
    375,491.09x = 69,171,455,493.70
  5. Step 5: Solve for x
    x = 69,171,455,493.70/375,491.09
  6. Step 6: Final answer
    x = 184,215.97

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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.