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Finding the Fourth Proportional to 364,508.87, 503,020.26 and 203,363.51

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Solution

The fourth proportional to 364,508.87, 503,020.26 and 203,363.51 is: 280,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,508.87 : 503,020.26 = 203,363.51 : x
  2. Step 2: Convert to fraction form
    364,508.87/503,020.26 = 203,363.51/x
  3. Step 3: Cross multiply
    364,508.87x = 503,020.26 × 203,363.51
  4. Step 4: Simplify right side
    364,508.87x = 102,295,963,159.61
  5. Step 5: Solve for x
    x = 102,295,963,159.61/364,508.87
  6. Step 6: Final answer
    x = 280,640.54

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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.