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Finding the Fourth Proportional to 368,344.76, 508,279.44 and 207,196.32

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Solution

The fourth proportional to 368,344.76, 508,279.44 and 207,196.32 is: 285,910.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,344.76 : 508,279.44 = 207,196.32 : x
  2. Step 2: Convert to fraction form
    368,344.76/508,279.44 = 207,196.32/x
  3. Step 3: Cross multiply
    368,344.76x = 508,279.44 × 207,196.32
  4. Step 4: Simplify right side
    368,344.76x = 105,313,629,499.66
  5. Step 5: Solve for x
    x = 105,313,629,499.66/368,344.76
  6. Step 6: Final answer
    x = 285,910.49

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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.