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Finding the Fourth Proportional to 452,968.65, 679,563.92 and 225,371.67

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Solution

The fourth proportional to 452,968.65, 679,563.92 and 225,371.67 is: 338,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,968.65 : 679,563.92 = 225,371.67 : x
  2. Step 2: Convert to fraction form
    452,968.65/679,563.92 = 225,371.67/x
  3. Step 3: Cross multiply
    452,968.65x = 679,563.92 × 225,371.67
  4. Step 4: Simplify right side
    452,968.65x = 153,154,450,997.47
  5. Step 5: Solve for x
    x = 153,154,450,997.47/452,968.65
  6. Step 6: Final answer
    x = 338,112.70

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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.