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Finding the Fourth Proportional to 669,167.15, 923,425.98 and 363,236.82

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Solution

The fourth proportional to 669,167.15, 923,425.98 and 363,236.82 is: 501,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,167.15 : 923,425.98 = 363,236.82 : x
  2. Step 2: Convert to fraction form
    669,167.15/923,425.98 = 363,236.82/x
  3. Step 3: Cross multiply
    669,167.15x = 923,425.98 × 363,236.82
  4. Step 4: Simplify right side
    669,167.15x = 335,422,316,480.58
  5. Step 5: Solve for x
    x = 335,422,316,480.58/669,167.15
  6. Step 6: Final answer
    x = 501,253.41

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.