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Finding the Fourth Proportional to 504,044.80, 756,200.85 and 219,613.30

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Solution

The fourth proportional to 504,044.80, 756,200.85 and 219,613.30 is: 329,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,044.80 : 756,200.85 = 219,613.30 : x
  2. Step 2: Convert to fraction form
    504,044.80/756,200.85 = 219,613.30/x
  3. Step 3: Cross multiply
    504,044.80x = 756,200.85 × 219,613.30
  4. Step 4: Simplify right side
    504,044.80x = 166,071,764,131.31
  5. Step 5: Solve for x
    x = 166,071,764,131.31/504,044.80
  6. Step 6: Final answer
    x = 329,478.18

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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.