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Finding the Fourth Proportional to 669,062.54, 923,313.12 and 363,141.48

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Solution

The fourth proportional to 669,062.54, 923,313.12 and 363,141.48 is: 501,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,062.54 : 923,313.12 = 363,141.48 : x
  2. Step 2: Convert to fraction form
    669,062.54/923,313.12 = 363,141.48/x
  3. Step 3: Cross multiply
    669,062.54x = 923,313.12 × 363,141.48
  4. Step 4: Simplify right side
    669,062.54x = 335,293,292,900.22
  5. Step 5: Solve for x
    x = 335,293,292,900.22/669,062.54
  6. Step 6: Final answer
    x = 501,138.94

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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.