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Finding the Fourth Proportional to 368,252.51, 508,016.81 and 239,181.80

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Solution

The fourth proportional to 368,252.51, 508,016.81 and 239,181.80 is: 329,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,252.51 : 508,016.81 = 239,181.80 : x
  2. Step 2: Convert to fraction form
    368,252.51/508,016.81 = 239,181.80/x
  3. Step 3: Cross multiply
    368,252.51x = 508,016.81 × 239,181.80
  4. Step 4: Simplify right side
    368,252.51x = 121,508,373,103.93
  5. Step 5: Solve for x
    x = 121,508,373,103.93/368,252.51
  6. Step 6: Final answer
    x = 329,959.39

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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.