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Finding the Fourth Proportional to 541,799.80, 812,408.10 and 225,899.80

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Solution

The fourth proportional to 541,799.80, 812,408.10 and 225,899.80 is: 338,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,799.80 : 812,408.10 = 225,899.80 : x
  2. Step 2: Convert to fraction form
    541,799.80/812,408.10 = 225,899.80/x
  3. Step 3: Cross multiply
    541,799.80x = 812,408.10 × 225,899.80
  4. Step 4: Simplify right side
    541,799.80x = 183,522,827,308.38
  5. Step 5: Solve for x
    x = 183,522,827,308.38/541,799.80
  6. Step 6: Final answer
    x = 338,728.12

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Half scale
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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.