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Finding the Fourth Proportional to 653,603.21, 901,994.31 and 363,227.01

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Solution

The fourth proportional to 653,603.21, 901,994.31 and 363,227.01 is: 501,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,603.21 : 901,994.31 = 363,227.01 : x
  2. Step 2: Convert to fraction form
    653,603.21/901,994.31 = 363,227.01/x
  3. Step 3: Cross multiply
    653,603.21x = 901,994.31 × 363,227.01
  4. Step 4: Simplify right side
    653,603.21x = 327,628,696,258.31
  5. Step 5: Solve for x
    x = 327,628,696,258.31/653,603.21
  6. Step 6: Final answer
    x = 501,265.43

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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.