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Finding the Fourth Proportional to 364,666.88, 503,239.20 and 203,520.16

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Solution

The fourth proportional to 364,666.88, 503,239.20 and 203,520.16 is: 280,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,666.88 : 503,239.20 = 203,520.16 : x
  2. Step 2: Convert to fraction form
    364,666.88/503,239.20 = 203,520.16/x
  3. Step 3: Cross multiply
    364,666.88x = 503,239.20 × 203,520.16
  4. Step 4: Simplify right side
    364,666.88x = 102,419,322,502.27
  5. Step 5: Solve for x
    x = 102,419,322,502.27/364,666.88
  6. Step 6: Final answer
    x = 280,857.21

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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.