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Finding the Fourth Proportional to 471,811.79, 707,017.84 and 346,540.43

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Solution

The fourth proportional to 471,811.79, 707,017.84 and 346,540.43 is: 519,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,811.79 : 707,017.84 = 346,540.43 : x
  2. Step 2: Convert to fraction form
    471,811.79/707,017.84 = 346,540.43/x
  3. Step 3: Cross multiply
    471,811.79x = 707,017.84 × 346,540.43
  4. Step 4: Simplify right side
    471,811.79x = 245,010,266,291.27
  5. Step 5: Solve for x
    x = 245,010,266,291.27/471,811.79
  6. Step 6: Final answer
    x = 519,296.62

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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.