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Finding the Fourth Proportional to 340,429.83, 469,721.97 and 197,181.33

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Solution

The fourth proportional to 340,429.83, 469,721.97 and 197,181.33 is: 272,069.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,429.83 : 469,721.97 = 197,181.33 : x
  2. Step 2: Convert to fraction form
    340,429.83/469,721.97 = 197,181.33/x
  3. Step 3: Cross multiply
    340,429.83x = 469,721.97 × 197,181.33
  4. Step 4: Simplify right side
    340,429.83x = 92,620,402,774.82
  5. Step 5: Solve for x
    x = 92,620,402,774.82/340,429.83
  6. Step 6: Final answer
    x = 272,069.00

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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.