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Finding the Fourth Proportional to 488,624.60, 736,265.78 and 401,822.60

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Solution

The fourth proportional to 488,624.60, 736,265.78 and 401,822.60 is: 605,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,624.60 : 736,265.78 = 401,822.60 : x
  2. Step 2: Convert to fraction form
    488,624.60/736,265.78 = 401,822.60/x
  3. Step 3: Cross multiply
    488,624.60x = 736,265.78 × 401,822.60
  4. Step 4: Simplify right side
    488,624.60x = 295,848,230,010.63
  5. Step 5: Solve for x
    x = 295,848,230,010.63/488,624.60
  6. Step 6: Final answer
    x = 605,471.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.