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Finding the Fourth Proportional to 363,065.18, 501,066.69 and 208,037

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Solution

The fourth proportional to 363,065.18, 501,066.69 and 208,037 is: 287,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,065.18 : 501,066.69 = 208,037 : x
  2. Step 2: Convert to fraction form
    363,065.18/501,066.69 = 208,037/x
  3. Step 3: Cross multiply
    363,065.18x = 501,066.69 × 208,037
  4. Step 4: Simplify right side
    363,065.18x = 104,240,410,987.53
  5. Step 5: Solve for x
    x = 104,240,410,987.53/363,065.18
  6. Step 6: Final answer
    x = 287,112.11

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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.