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Finding the Fourth Proportional to 364,613.47, 503,165.82 and 203,458.91

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Solution

The fourth proportional to 364,613.47, 503,165.82 and 203,458.91 is: 280,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,613.47 : 503,165.82 = 203,458.91 : x
  2. Step 2: Convert to fraction form
    364,613.47/503,165.82 = 203,458.91/x
  3. Step 3: Cross multiply
    364,613.47x = 503,165.82 × 203,458.91
  4. Step 4: Simplify right side
    364,613.47x = 102,373,567,533.60
  5. Step 5: Solve for x
    x = 102,373,567,533.60/364,613.47
  6. Step 6: Final answer
    x = 280,772.86

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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.