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Finding the Fourth Proportional to 669,489.72, 923,896.01 and 363,566.03

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Solution

The fourth proportional to 669,489.72, 923,896.01 and 363,566.03 is: 501,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,489.72 : 923,896.01 = 363,566.03 : x
  2. Step 2: Convert to fraction form
    669,489.72/923,896.01 = 363,566.03/x
  3. Step 3: Cross multiply
    669,489.72x = 923,896.01 × 363,566.03
  4. Step 4: Simplify right side
    669,489.72x = 335,897,198,051.23
  5. Step 5: Solve for x
    x = 335,897,198,051.23/669,489.72
  6. Step 6: Final answer
    x = 501,721.22

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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.