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Finding the Fourth Proportional to 653,606.21, 901,998.45 and 363,230.01

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Solution

The fourth proportional to 653,606.21, 901,998.45 and 363,230.01 is: 501,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,606.21 : 901,998.45 = 363,230.01 : x
  2. Step 2: Convert to fraction form
    653,606.21/901,998.45 = 363,230.01/x
  3. Step 3: Cross multiply
    653,606.21x = 901,998.45 × 363,230.01
  4. Step 4: Simplify right side
    653,606.21x = 327,632,906,013.49
  5. Step 5: Solve for x
    x = 327,632,906,013.49/653,606.21
  6. Step 6: Final answer
    x = 501,269.57

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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.