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Finding the Fourth Proportional to 557,344.20, 836,016.30 and 202,369.80

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Solution

The fourth proportional to 557,344.20, 836,016.30 and 202,369.80 is: 303,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,344.20 : 836,016.30 = 202,369.80 : x
  2. Step 2: Convert to fraction form
    557,344.20/836,016.30 = 202,369.80/x
  3. Step 3: Cross multiply
    557,344.20x = 836,016.30 × 202,369.80
  4. Step 4: Simplify right side
    557,344.20x = 169,184,451,427.74
  5. Step 5: Solve for x
    x = 169,184,451,427.74/557,344.20
  6. Step 6: Final answer
    x = 303,554.70

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Double scale
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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.