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Finding the Fourth Proportional to 541,891.60, 812,837.40 and 531,523.60

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Solution

The fourth proportional to 541,891.60, 812,837.40 and 531,523.60 is: 797,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,891.60 : 812,837.40 = 531,523.60 : x
  2. Step 2: Convert to fraction form
    541,891.60/812,837.40 = 531,523.60/x
  3. Step 3: Cross multiply
    541,891.60x = 812,837.40 × 531,523.60
  4. Step 4: Simplify right side
    541,891.60x = 432,042,261,062.64
  5. Step 5: Solve for x
    x = 432,042,261,062.64/541,891.60
  6. Step 6: Final answer
    x = 797,285.40

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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.