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Finding the Fourth Proportional to 516,984.67, 775,477.27 and 162,026.33

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Solution

The fourth proportional to 516,984.67, 775,477.27 and 162,026.33 is: 243,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,984.67 : 775,477.27 = 162,026.33 : x
  2. Step 2: Convert to fraction form
    516,984.67/775,477.27 = 162,026.33/x
  3. Step 3: Cross multiply
    516,984.67x = 775,477.27 × 162,026.33
  4. Step 4: Simplify right side
    516,984.67x = 125,647,735,246.39
  5. Step 5: Solve for x
    x = 125,647,735,246.39/516,984.67
  6. Step 6: Final answer
    x = 243,039.58

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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.