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Finding the Fourth Proportional to 343,026.87, 515,011.62 and 174,660.33

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Solution

The fourth proportional to 343,026.87, 515,011.62 and 174,660.33 is: 262,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,026.87 : 515,011.62 = 174,660.33 : x
  2. Step 2: Convert to fraction form
    343,026.87/515,011.62 = 174,660.33/x
  3. Step 3: Cross multiply
    343,026.87x = 515,011.62 × 174,660.33
  4. Step 4: Simplify right side
    343,026.87x = 89,952,101,106.84
  5. Step 5: Solve for x
    x = 89,952,101,106.84/343,026.87
  6. Step 6: Final answer
    x = 262,230.48

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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.