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Finding the Fourth Proportional to 375,504.40, 563,291.12 and 122,786.20

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Solution

The fourth proportional to 375,504.40, 563,291.12 and 122,786.20 is: 184,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,504.40 : 563,291.12 = 122,786.20 : x
  2. Step 2: Convert to fraction form
    375,504.40/563,291.12 = 122,786.20/x
  3. Step 3: Cross multiply
    375,504.40x = 563,291.12 × 122,786.20
  4. Step 4: Simplify right side
    375,504.40x = 69,164,376,118.54
  5. Step 5: Solve for x
    x = 69,164,376,118.54/375,504.40
  6. Step 6: Final answer
    x = 184,190.59

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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.