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Finding the Fourth Proportional to 403,000.80, 604,535.04 and 122,520.48

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Solution

The fourth proportional to 403,000.80, 604,535.04 and 122,520.48 is: 183,791.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,000.80 : 604,535.04 = 122,520.48 : x
  2. Step 2: Convert to fraction form
    403,000.80/604,535.04 = 122,520.48/x
  3. Step 3: Cross multiply
    403,000.80x = 604,535.04 × 122,520.48
  4. Step 4: Simplify right side
    403,000.80x = 74,067,923,277.62
  5. Step 5: Solve for x
    x = 74,067,923,277.62/403,000.80
  6. Step 6: Final answer
    x = 183,791.01

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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.