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Finding the Fourth Proportional to 375,504.12, 563,290.83 and 122,785.92

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Solution

The fourth proportional to 375,504.12, 563,290.83 and 122,785.92 is: 184,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,504.12 : 563,290.83 = 122,785.92 : x
  2. Step 2: Convert to fraction form
    375,504.12/563,290.83 = 122,785.92/x
  3. Step 3: Cross multiply
    375,504.12x = 563,290.83 × 122,785.92
  4. Step 4: Simplify right side
    375,504.12x = 69,164,182,789.11
  5. Step 5: Solve for x
    x = 69,164,182,789.11/375,504.12
  6. Step 6: Final answer
    x = 184,190.21

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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.