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Finding the Fourth Proportional to 541,990.74, 812,837.07 and 226,395.30

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Solution

The fourth proportional to 541,990.74, 812,837.07 and 226,395.30 is: 339,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,990.74 : 812,837.07 = 226,395.30 : x
  2. Step 2: Convert to fraction form
    541,990.74/812,837.07 = 226,395.30/x
  3. Step 3: Cross multiply
    541,990.74x = 812,837.07 × 226,395.30
  4. Step 4: Simplify right side
    541,990.74x = 184,022,492,313.77
  5. Step 5: Solve for x
    x = 184,022,492,313.77/541,990.74
  6. Step 6: Final answer
    x = 339,530.69

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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.