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Finding the Fourth Proportional to 375,558, 563,371.72 and 122,839.92

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Solution

The fourth proportional to 375,558, 563,371.72 and 122,839.92 is: 184,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,558 : 563,371.72 = 122,839.92 : x
  2. Step 2: Convert to fraction form
    375,558/563,371.72 = 122,839.92/x
  3. Step 3: Cross multiply
    375,558x = 563,371.72 × 122,839.92
  4. Step 4: Simplify right side
    375,558x = 69,204,537,015.06
  5. Step 5: Solve for x
    x = 69,204,537,015.06/375,558
  6. Step 6: Final answer
    x = 184,271.24

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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.