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Finding the Fourth Proportional to 581,067.39, 871,864.01 and 296,611.05

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Solution

The fourth proportional to 581,067.39, 871,864.01 and 296,611.05 is: 445,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,067.39 : 871,864.01 = 296,611.05 : x
  2. Step 2: Convert to fraction form
    581,067.39/871,864.01 = 296,611.05/x
  3. Step 3: Cross multiply
    581,067.39x = 871,864.01 × 296,611.05
  4. Step 4: Simplify right side
    581,067.39x = 258,604,497,980.26
  5. Step 5: Solve for x
    x = 258,604,497,980.26/581,067.39
  6. Step 6: Final answer
    x = 445,050.78

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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.