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Finding the Fourth Proportional to 669,383.88, 923,750.86 and 363,460.86

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Solution

The fourth proportional to 669,383.88, 923,750.86 and 363,460.86 is: 501,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,383.88 : 923,750.86 = 363,460.86 : x
  2. Step 2: Convert to fraction form
    669,383.88/923,750.86 = 363,460.86/x
  3. Step 3: Cross multiply
    669,383.88x = 923,750.86 × 363,460.86
  4. Step 4: Simplify right side
    669,383.88x = 335,747,282,001.34
  5. Step 5: Solve for x
    x = 335,747,282,001.34/669,383.88
  6. Step 6: Final answer
    x = 501,576.59

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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.