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Finding the Fourth Proportional to 363,452.49, 501,553.27 and 202,303.40

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Solution

The fourth proportional to 363,452.49, 501,553.27 and 202,303.40 is: 279,172.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,452.49 : 501,553.27 = 202,303.40 : x
  2. Step 2: Convert to fraction form
    363,452.49/501,553.27 = 202,303.40/x
  3. Step 3: Cross multiply
    363,452.49x = 501,553.27 × 202,303.40
  4. Step 4: Simplify right side
    363,452.49x = 101,465,931,802.12
  5. Step 5: Solve for x
    x = 101,465,931,802.12/363,452.49
  6. Step 6: Final answer
    x = 279,172.48

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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.