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Finding the Fourth Proportional to 338,711.71, 508,067.59 and 114,053.35

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Solution

The fourth proportional to 338,711.71, 508,067.59 and 114,053.35 is: 171,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,711.71 : 508,067.59 = 114,053.35 : x
  2. Step 2: Convert to fraction form
    338,711.71/508,067.59 = 114,053.35/x
  3. Step 3: Cross multiply
    338,711.71x = 508,067.59 × 114,053.35
  4. Step 4: Simplify right side
    338,711.71x = 57,946,810,665.93
  5. Step 5: Solve for x
    x = 57,946,810,665.93/338,711.71
  6. Step 6: Final answer
    x = 171,080.03

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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.