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Finding the Fourth Proportional to 669,281.72, 923,609.93 and 363,358.49

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Solution

The fourth proportional to 669,281.72, 923,609.93 and 363,358.49 is: 501,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,281.72 : 923,609.93 = 363,358.49 : x
  2. Step 2: Convert to fraction form
    669,281.72/923,609.93 = 363,358.49/x
  3. Step 3: Cross multiply
    669,281.72x = 923,609.93 × 363,358.49
  4. Step 4: Simplify right side
    669,281.72x = 335,601,503,078.96
  5. Step 5: Solve for x
    x = 335,601,503,078.96/669,281.72
  6. Step 6: Final answer
    x = 501,435.34

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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.