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Finding the Fourth Proportional to 341,212.70, 471,024.52 and 220,412.85

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Solution

The fourth proportional to 341,212.70, 471,024.52 and 220,412.85 is: 304,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,212.70 : 471,024.52 = 220,412.85 : x
  2. Step 2: Convert to fraction form
    341,212.70/471,024.52 = 220,412.85/x
  3. Step 3: Cross multiply
    341,212.70x = 471,024.52 × 220,412.85
  4. Step 4: Simplify right side
    341,212.70x = 103,819,854,555.71
  5. Step 5: Solve for x
    x = 103,819,854,555.71/341,212.70
  6. Step 6: Final answer
    x = 304,267.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.