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Finding the Fourth Proportional to 403,107.20, 604,748.27 and 122,617.16

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Solution

The fourth proportional to 403,107.20, 604,748.27 and 122,617.16 is: 183,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,107.20 : 604,748.27 = 122,617.16 : x
  2. Step 2: Convert to fraction form
    403,107.20/604,748.27 = 122,617.16/x
  3. Step 3: Cross multiply
    403,107.20x = 604,748.27 × 122,617.16
  4. Step 4: Simplify right side
    403,107.20x = 74,152,511,745.49
  5. Step 5: Solve for x
    x = 74,152,511,745.49/403,107.20
  6. Step 6: Final answer
    x = 183,952.34

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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.