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Finding the Fourth Proportional to 557,274.70, 835,912.05 and 202,300.30

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Solution

The fourth proportional to 557,274.70, 835,912.05 and 202,300.30 is: 303,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,274.70 : 835,912.05 = 202,300.30 : x
  2. Step 2: Convert to fraction form
    557,274.70/835,912.05 = 202,300.30/x
  3. Step 3: Cross multiply
    557,274.70x = 835,912.05 × 202,300.30
  4. Step 4: Simplify right side
    557,274.70x = 169,105,258,488.62
  5. Step 5: Solve for x
    x = 169,105,258,488.62/557,274.70
  6. Step 6: Final answer
    x = 303,450.45

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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.