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Finding the Fourth Proportional to 352,006.80, 526,843.80 and 247,030.80

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Solution

The fourth proportional to 352,006.80, 526,843.80 and 247,030.80 is: 369,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,006.80 : 526,843.80 = 247,030.80 : x
  2. Step 2: Convert to fraction form
    352,006.80/526,843.80 = 247,030.80/x
  3. Step 3: Cross multiply
    352,006.80x = 526,843.80 × 247,030.80
  4. Step 4: Simplify right side
    352,006.80x = 130,146,645,389.04
  5. Step 5: Solve for x
    x = 130,146,645,389.04/352,006.80
  6. Step 6: Final answer
    x = 369,727.65

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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.