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Finding the Fourth Proportional to 363,548.49, 501,716.82 and 202,400.02

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Solution

The fourth proportional to 363,548.49, 501,716.82 and 202,400.02 is: 279,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,548.49 : 501,716.82 = 202,400.02 : x
  2. Step 2: Convert to fraction form
    363,548.49/501,716.82 = 202,400.02/x
  3. Step 3: Cross multiply
    363,548.49x = 501,716.82 × 202,400.02
  4. Step 4: Simplify right side
    363,548.49x = 101,547,494,402.34
  5. Step 5: Solve for x
    x = 101,547,494,402.34/363,548.49
  6. Step 6: Final answer
    x = 279,323.11

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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.