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Finding the Fourth Proportional to 500,805.77, 751,958.97 and 433,545.20

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Solution

The fourth proportional to 500,805.77, 751,958.97 and 433,545.20 is: 650,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,805.77 : 751,958.97 = 433,545.20 : x
  2. Step 2: Convert to fraction form
    500,805.77/751,958.97 = 433,545.20/x
  3. Step 3: Cross multiply
    500,805.77x = 751,958.97 × 433,545.20
  4. Step 4: Simplify right side
    500,805.77x = 326,008,198,280.65
  5. Step 5: Solve for x
    x = 326,008,198,280.65/500,805.77
  6. Step 6: Final answer
    x = 650,967.34

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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.