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Finding the Fourth Proportional to 424,560.66, 636,847.48 and 109,010.58

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Solution

The fourth proportional to 424,560.66, 636,847.48 and 109,010.58 is: 163,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,560.66 : 636,847.48 = 109,010.58 : x
  2. Step 2: Convert to fraction form
    424,560.66/636,847.48 = 109,010.58/x
  3. Step 3: Cross multiply
    424,560.66x = 636,847.48 × 109,010.58
  4. Step 4: Simplify right side
    424,560.66x = 69,423,113,166.34
  5. Step 5: Solve for x
    x = 69,423,113,166.34/424,560.66
  6. Step 6: Final answer
    x = 163,517.54

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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.