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Finding the Fourth Proportional to 538,303.22, 807,454.82 and 159,194.42

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Solution

The fourth proportional to 538,303.22, 807,454.82 and 159,194.42 is: 238,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,303.22 : 807,454.82 = 159,194.42 : x
  2. Step 2: Convert to fraction form
    538,303.22/807,454.82 = 159,194.42/x
  3. Step 3: Cross multiply
    538,303.22x = 807,454.82 × 159,194.42
  4. Step 4: Simplify right side
    538,303.22x = 128,542,301,746.10
  5. Step 5: Solve for x
    x = 128,542,301,746.10/538,303.22
  6. Step 6: Final answer
    x = 238,791.63

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.