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Finding the Fourth Proportional to 669,074.67, 923,298.30 and 363,144.49

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Solution

The fourth proportional to 669,074.67, 923,298.30 and 363,144.49 is: 501,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,074.67 : 923,298.30 = 363,144.49 : x
  2. Step 2: Convert to fraction form
    669,074.67/923,298.30 = 363,144.49/x
  3. Step 3: Cross multiply
    669,074.67x = 923,298.30 × 363,144.49
  4. Step 4: Simplify right side
    669,074.67x = 335,290,690,271.37
  5. Step 5: Solve for x
    x = 335,290,690,271.37/669,074.67
  6. Step 6: Final answer
    x = 501,125.97

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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.