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Finding the Fourth Proportional to 363,453, 501,553.95 and 202,303.90

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Solution

The fourth proportional to 363,453, 501,553.95 and 202,303.90 is: 279,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,453 : 501,553.95 = 202,303.90 : x
  2. Step 2: Convert to fraction form
    363,453/501,553.95 = 202,303.90/x
  3. Step 3: Cross multiply
    363,453x = 501,553.95 × 202,303.90
  4. Step 4: Simplify right side
    363,453x = 101,466,320,145.41
  5. Step 5: Solve for x
    x = 101,466,320,145.41/363,453
  6. Step 6: Final answer
    x = 279,173.15

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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.