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Finding the Fourth Proportional to 503,742.71, 755,612.36 and 204,222.59

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Solution

The fourth proportional to 503,742.71, 755,612.36 and 204,222.59 is: 306,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,742.71 : 755,612.36 = 204,222.59 : x
  2. Step 2: Convert to fraction form
    503,742.71/755,612.36 = 204,222.59/x
  3. Step 3: Cross multiply
    503,742.71x = 755,612.36 × 204,222.59
  4. Step 4: Simplify right side
    503,742.71x = 154,313,111,995.42
  5. Step 5: Solve for x
    x = 154,313,111,995.42/503,742.71
  6. Step 6: Final answer
    x = 306,333.19

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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.