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Finding the Fourth Proportional to 715,843.17, 1,073,740.17 and 183,368.82

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Solution

The fourth proportional to 715,843.17, 1,073,740.17 and 183,368.82 is: 275,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,843.17 : 1,073,740.17 = 183,368.82 : x
  2. Step 2: Convert to fraction form
    715,843.17/1,073,740.17 = 183,368.82/x
  3. Step 3: Cross multiply
    715,843.17x = 1,073,740.17 × 183,368.82
  4. Step 4: Simplify right side
    715,843.17x = 196,890,467,959.50
  5. Step 5: Solve for x
    x = 196,890,467,959.50/715,843.17
  6. Step 6: Final answer
    x = 275,046.93

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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.