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Finding the Fourth Proportional to 373,751.08, 515,715.66 and 220,768.04

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Solution

The fourth proportional to 373,751.08, 515,715.66 and 220,768.04 is: 304,623.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,751.08 : 515,715.66 = 220,768.04 : x
  2. Step 2: Convert to fraction form
    373,751.08/515,715.66 = 220,768.04/x
  3. Step 3: Cross multiply
    373,751.08x = 515,715.66 × 220,768.04
  4. Step 4: Simplify right side
    373,751.08x = 113,853,536,744.80
  5. Step 5: Solve for x
    x = 113,853,536,744.80/373,751.08
  6. Step 6: Final answer
    x = 304,623.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.