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Finding the Fourth Proportional to 452,636.22, 678,955.24 and 168,389.10

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Solution

The fourth proportional to 452,636.22, 678,955.24 and 168,389.10 is: 252,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,636.22 : 678,955.24 = 168,389.10 : x
  2. Step 2: Convert to fraction form
    452,636.22/678,955.24 = 168,389.10/x
  3. Step 3: Cross multiply
    452,636.22x = 678,955.24 × 168,389.10
  4. Step 4: Simplify right side
    452,636.22x = 114,328,661,803.88
  5. Step 5: Solve for x
    x = 114,328,661,803.88/452,636.22
  6. Step 6: Final answer
    x = 252,583.99

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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.