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Finding the Fourth Proportional to 541,133.40, 811,700.10 and 225,816.60

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Solution

The fourth proportional to 541,133.40, 811,700.10 and 225,816.60 is: 338,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,133.40 : 811,700.10 = 225,816.60 : x
  2. Step 2: Convert to fraction form
    541,133.40/811,700.10 = 225,816.60/x
  3. Step 3: Cross multiply
    541,133.40x = 811,700.10 × 225,816.60
  4. Step 4: Simplify right side
    541,133.40x = 183,295,356,801.66
  5. Step 5: Solve for x
    x = 183,295,356,801.66/541,133.40
  6. Step 6: Final answer
    x = 338,724.90

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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.