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Finding the Fourth Proportional to 364,647.78, 503,239.21 and 203,534.24

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Solution

The fourth proportional to 364,647.78, 503,239.21 and 203,534.24 is: 280,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,647.78 : 503,239.21 = 203,534.24 : x
  2. Step 2: Convert to fraction form
    364,647.78/503,239.21 = 203,534.24/x
  3. Step 3: Cross multiply
    364,647.78x = 503,239.21 × 203,534.24
  4. Step 4: Simplify right side
    364,647.78x = 102,426,407,120.52
  5. Step 5: Solve for x
    x = 102,426,407,120.52/364,647.78
  6. Step 6: Final answer
    x = 280,891.35

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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.