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Finding the Fourth Proportional to 702,202.32, 1,053,893.04 and 303,144.48

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Solution

The fourth proportional to 702,202.32, 1,053,893.04 and 303,144.48 is: 454,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,202.32 : 1,053,893.04 = 303,144.48 : x
  2. Step 2: Convert to fraction form
    702,202.32/1,053,893.04 = 303,144.48/x
  3. Step 3: Cross multiply
    702,202.32x = 1,053,893.04 × 303,144.48
  4. Step 4: Simplify right side
    702,202.32x = 319,481,857,586.42
  5. Step 5: Solve for x
    x = 319,481,857,586.42/702,202.32
  6. Step 6: Final answer
    x = 454,971.24

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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.