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Finding the Fourth Proportional to 364,348.28, 502,801.52 and 203,213.77

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Solution

The fourth proportional to 364,348.28, 502,801.52 and 203,213.77 is: 280,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,348.28 : 502,801.52 = 203,213.77 : x
  2. Step 2: Convert to fraction form
    364,348.28/502,801.52 = 203,213.77/x
  3. Step 3: Cross multiply
    364,348.28x = 502,801.52 × 203,213.77
  4. Step 4: Simplify right side
    364,348.28x = 102,176,189,672.91
  5. Step 5: Solve for x
    x = 102,176,189,672.91/364,348.28
  6. Step 6: Final answer
    x = 280,435.49

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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.