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Finding the Fourth Proportional to 442,203.99, 610,243.56 and 251,227.86

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Solution

The fourth proportional to 442,203.99, 610,243.56 and 251,227.86 is: 346,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,203.99 : 610,243.56 = 251,227.86 : x
  2. Step 2: Convert to fraction form
    442,203.99/610,243.56 = 251,227.86/x
  3. Step 3: Cross multiply
    442,203.99x = 610,243.56 × 251,227.86
  4. Step 4: Simplify right side
    442,203.99x = 153,310,183,657.58
  5. Step 5: Solve for x
    x = 153,310,183,657.58/442,203.99
  6. Step 6: Final answer
    x = 346,695.61

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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.