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Finding the Fourth Proportional to 536,457.38, 805,055.13 and 220,914.27

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Solution

The fourth proportional to 536,457.38, 805,055.13 and 220,914.27 is: 331,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,457.38 : 805,055.13 = 220,914.27 : x
  2. Step 2: Convert to fraction form
    536,457.38/805,055.13 = 220,914.27/x
  3. Step 3: Cross multiply
    536,457.38x = 805,055.13 × 220,914.27
  4. Step 4: Simplify right side
    536,457.38x = 177,848,166,353.71
  5. Step 5: Solve for x
    x = 177,848,166,353.71/536,457.38
  6. Step 6: Final answer
    x = 331,523.39

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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.