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Finding the Fourth Proportional to 587,239.56, 810,352.23 and 345,475.43

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Solution

The fourth proportional to 587,239.56, 810,352.23 and 345,475.43 is: 476,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,239.56 : 810,352.23 = 345,475.43 : x
  2. Step 2: Convert to fraction form
    587,239.56/810,352.23 = 345,475.43/x
  3. Step 3: Cross multiply
    587,239.56x = 810,352.23 × 345,475.43
  4. Step 4: Simplify right side
    587,239.56x = 279,956,781,058.95
  5. Step 5: Solve for x
    x = 279,956,781,058.95/587,239.56
  6. Step 6: Final answer
    x = 476,733.52

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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.