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Finding the Fourth Proportional to 559,439.82, 772,027.04 and 304,791.01

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Solution

The fourth proportional to 559,439.82, 772,027.04 and 304,791.01 is: 420,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,439.82 : 772,027.04 = 304,791.01 : x
  2. Step 2: Convert to fraction form
    559,439.82/772,027.04 = 304,791.01/x
  3. Step 3: Cross multiply
    559,439.82x = 772,027.04 × 304,791.01
  4. Step 4: Simplify right side
    559,439.82x = 235,306,897,814.89
  5. Step 5: Solve for x
    x = 235,306,897,814.89/559,439.82
  6. Step 6: Final answer
    x = 420,611.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.