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Finding the Fourth Proportional to 363,677.75, 501,839.35 and 202,547.79

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Solution

The fourth proportional to 363,677.75, 501,839.35 and 202,547.79 is: 279,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,677.75 : 501,839.35 = 202,547.79 : x
  2. Step 2: Convert to fraction form
    363,677.75/501,839.35 = 202,547.79/x
  3. Step 3: Cross multiply
    363,677.75x = 501,839.35 × 202,547.79
  4. Step 4: Simplify right side
    363,677.75x = 101,646,450,771.17
  5. Step 5: Solve for x
    x = 101,646,450,771.17/363,677.75
  6. Step 6: Final answer
    x = 279,495.93

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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.