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Finding the Fourth Proportional to 363,449.99, 501,549.82 and 202,300.90

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Solution

The fourth proportional to 363,449.99, 501,549.82 and 202,300.90 is: 279,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,449.99 : 501,549.82 = 202,300.90 : x
  2. Step 2: Convert to fraction form
    363,449.99/501,549.82 = 202,300.90/x
  3. Step 3: Cross multiply
    363,449.99x = 501,549.82 × 202,300.90
  4. Step 4: Simplify right side
    363,449.99x = 101,463,979,980.84
  5. Step 5: Solve for x
    x = 101,463,979,980.84/363,449.99
  6. Step 6: Final answer
    x = 279,169.03

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1.5x scale

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.