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Finding the Fourth Proportional to 452,446.65, 678,669.26 and 115,487.25

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Solution

The fourth proportional to 452,446.65, 678,669.26 and 115,487.25 is: 173,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,446.65 : 678,669.26 = 115,487.25 : x
  2. Step 2: Convert to fraction form
    452,446.65/678,669.26 = 115,487.25/x
  3. Step 3: Cross multiply
    452,446.65x = 678,669.26 × 115,487.25
  4. Step 4: Simplify right side
    452,446.65x = 78,377,645,919.50
  5. Step 5: Solve for x
    x = 78,377,645,919.50/452,446.65
  6. Step 6: Final answer
    x = 173,230.69

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1.5x scale

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.