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Finding the Fourth Proportional to 363,610.02, 501,825.83 and 208,618.05

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Solution

The fourth proportional to 363,610.02, 501,825.83 and 208,618.05 is: 287,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,610.02 : 501,825.83 = 208,618.05 : x
  2. Step 2: Convert to fraction form
    363,610.02/501,825.83 = 208,618.05/x
  3. Step 3: Cross multiply
    363,610.02x = 501,825.83 × 208,618.05
  4. Step 4: Simplify right side
    363,610.02x = 104,689,925,051.14
  5. Step 5: Solve for x
    x = 104,689,925,051.14/363,610.02
  6. Step 6: Final answer
    x = 287,918.15

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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.