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Finding the Fourth Proportional to 669,060.89, 923,306.80 and 363,137.71

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Solution

The fourth proportional to 669,060.89, 923,306.80 and 363,137.71 is: 501,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,060.89 : 923,306.80 = 363,137.71 : x
  2. Step 2: Convert to fraction form
    669,060.89/923,306.80 = 363,137.71/x
  3. Step 3: Cross multiply
    669,060.89x = 923,306.80 × 363,137.71
  4. Step 4: Simplify right side
    669,060.89x = 335,287,513,578.60
  5. Step 5: Solve for x
    x = 335,287,513,578.60/669,060.89
  6. Step 6: Final answer
    x = 501,131.54

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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.