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Finding the Fourth Proportional to 664,822.62, 917,453.79 and 363,016.62

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Solution

The fourth proportional to 664,822.62, 917,453.79 and 363,016.62 is: 500,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,822.62 : 917,453.79 = 363,016.62 : x
  2. Step 2: Convert to fraction form
    664,822.62/917,453.79 = 363,016.62/x
  3. Step 3: Cross multiply
    664,822.62x = 917,453.79 × 363,016.62
  4. Step 4: Simplify right side
    664,822.62x = 333,050,973,851.99
  5. Step 5: Solve for x
    x = 333,050,973,851.99/664,822.62
  6. Step 6: Final answer
    x = 500,962.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.