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Finding the Fourth Proportional to 368,481.24, 508,498.22 and 207,336.20

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Solution

The fourth proportional to 368,481.24, 508,498.22 and 207,336.20 is: 286,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,481.24 : 508,498.22 = 207,336.20 : x
  2. Step 2: Convert to fraction form
    368,481.24/508,498.22 = 207,336.20/x
  3. Step 3: Cross multiply
    368,481.24x = 508,498.22 × 207,336.20
  4. Step 4: Simplify right side
    368,481.24x = 105,430,086,617.41
  5. Step 5: Solve for x
    x = 105,430,086,617.41/368,481.24
  6. Step 6: Final answer
    x = 286,120.64

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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.