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Finding the Fourth Proportional to 541,262.30, 811,893.45 and 225,614.30

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Solution

The fourth proportional to 541,262.30, 811,893.45 and 225,614.30 is: 338,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,262.30 : 811,893.45 = 225,614.30 : x
  2. Step 2: Convert to fraction form
    541,262.30/811,893.45 = 225,614.30/x
  3. Step 3: Cross multiply
    541,262.30x = 811,893.45 × 225,614.30
  4. Step 4: Simplify right side
    541,262.30x = 183,174,772,396.34
  5. Step 5: Solve for x
    x = 183,174,772,396.34/541,262.30
  6. Step 6: Final answer
    x = 338,421.45

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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.