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Finding the Fourth Proportional to 452,661.85, 679,042.00 and 168,319.05

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Solution

The fourth proportional to 452,661.85, 679,042.00 and 168,319.05 is: 252,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,661.85 : 679,042.00 = 168,319.05 : x
  2. Step 2: Convert to fraction form
    452,661.85/679,042.00 = 168,319.05/x
  3. Step 3: Cross multiply
    452,661.85x = 679,042.00 × 168,319.05
  4. Step 4: Simplify right side
    452,661.85x = 114,295,702,014.09
  5. Step 5: Solve for x
    x = 114,295,702,014.09/452,661.85
  6. Step 6: Final answer
    x = 252,496.87

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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.