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Finding the Fourth Proportional to 471,522.33, 707,290.83 and 262,488.87

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Solution

The fourth proportional to 471,522.33, 707,290.83 and 262,488.87 is: 393,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,522.33 : 707,290.83 = 262,488.87 : x
  2. Step 2: Convert to fraction form
    471,522.33/707,290.83 = 262,488.87/x
  3. Step 3: Cross multiply
    471,522.33x = 707,290.83 × 262,488.87
  4. Step 4: Simplify right side
    471,522.33x = 185,655,970,728.06
  5. Step 5: Solve for x
    x = 185,655,970,728.06/471,522.33
  6. Step 6: Final answer
    x = 393,737.39

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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.