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Finding the Fourth Proportional to 504,044.30, 756,200.10 and 219,612.80

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Solution

The fourth proportional to 504,044.30, 756,200.10 and 219,612.80 is: 329,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,044.30 : 756,200.10 = 219,612.80 : x
  2. Step 2: Convert to fraction form
    504,044.30/756,200.10 = 219,612.80/x
  3. Step 3: Cross multiply
    504,044.30x = 756,200.10 × 219,612.80
  4. Step 4: Simplify right side
    504,044.30x = 166,071,221,321.28
  5. Step 5: Solve for x
    x = 166,071,221,321.28/504,044.30
  6. Step 6: Final answer
    x = 329,477.43

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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.