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Finding the Fourth Proportional to 452,840.57, 679,219.20 and 153,286.91

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Solution

The fourth proportional to 452,840.57, 679,219.20 and 153,286.91 is: 229,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,840.57 : 679,219.20 = 153,286.91 : x
  2. Step 2: Convert to fraction form
    452,840.57/679,219.20 = 153,286.91/x
  3. Step 3: Cross multiply
    452,840.57x = 679,219.20 × 153,286.91
  4. Step 4: Simplify right side
    452,840.57x = 104,115,412,380.67
  5. Step 5: Solve for x
    x = 104,115,412,380.67/452,840.57
  6. Step 6: Final answer
    x = 229,916.26

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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.