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Finding the Fourth Proportional to 363,487.59, 501,588.69 and 202,338.50

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Solution

The fourth proportional to 363,487.59, 501,588.69 and 202,338.50 is: 279,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,487.59 : 501,588.69 = 202,338.50 : x
  2. Step 2: Convert to fraction form
    363,487.59/501,588.69 = 202,338.50/x
  3. Step 3: Cross multiply
    363,487.59x = 501,588.69 × 202,338.50
  4. Step 4: Simplify right side
    363,487.59x = 101,490,700,643.62
  5. Step 5: Solve for x
    x = 101,490,700,643.62/363,487.59
  6. Step 6: Final answer
    x = 279,213.66

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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.