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Finding the Fourth Proportional to 363,449.49, 501,549.13 and 202,300.40

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Solution

The fourth proportional to 363,449.49, 501,549.13 and 202,300.40 is: 279,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,449.49 : 501,549.13 = 202,300.40 : x
  2. Step 2: Convert to fraction form
    363,449.49/501,549.13 = 202,300.40/x
  3. Step 3: Cross multiply
    363,449.49x = 501,549.13 × 202,300.40
  4. Step 4: Simplify right side
    363,449.49x = 101,463,589,618.65
  5. Step 5: Solve for x
    x = 101,463,589,618.65/363,449.49
  6. Step 6: Final answer
    x = 279,168.34

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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.