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Finding the Fourth Proportional to 504,043.80, 756,199.35 and 219,612.30

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Solution

The fourth proportional to 504,043.80, 756,199.35 and 219,612.30 is: 329,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,043.80 : 756,199.35 = 219,612.30 : x
  2. Step 2: Convert to fraction form
    504,043.80/756,199.35 = 219,612.30/x
  3. Step 3: Cross multiply
    504,043.80x = 756,199.35 × 219,612.30
  4. Step 4: Simplify right side
    504,043.80x = 166,070,678,512.01
  5. Step 5: Solve for x
    x = 166,070,678,512.01/504,043.80
  6. Step 6: Final answer
    x = 329,476.68

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Similar ratio
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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.