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Finding the Fourth Proportional to 364,393.23, 502,861.34 and 203,248.16

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Solution

The fourth proportional to 364,393.23, 502,861.34 and 203,248.16 is: 280,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,393.23 : 502,861.34 = 203,248.16 : x
  2. Step 2: Convert to fraction form
    364,393.23/502,861.34 = 203,248.16/x
  3. Step 3: Cross multiply
    364,393.23x = 502,861.34 × 203,248.16
  4. Step 4: Simplify right side
    364,393.23x = 102,205,640,083.95
  5. Step 5: Solve for x
    x = 102,205,640,083.95/364,393.23
  6. Step 6: Final answer
    x = 280,481.72

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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.