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Finding the Fourth Proportional to 667,771.41, 1,001,649.72 and 162,332.87

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Solution

The fourth proportional to 667,771.41, 1,001,649.72 and 162,332.87 is: 243,497.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,771.41 : 1,001,649.72 = 162,332.87 : x
  2. Step 2: Convert to fraction form
    667,771.41/1,001,649.72 = 162,332.87/x
  3. Step 3: Cross multiply
    667,771.41x = 1,001,649.72 × 162,332.87
  4. Step 4: Simplify right side
    667,771.41x = 162,600,668,774.05
  5. Step 5: Solve for x
    x = 162,600,668,774.05/667,771.41
  6. Step 6: Final answer
    x = 243,497.50

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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.