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Finding the Fourth Proportional to 611,953.41, 917,712.87 and 179,550.18

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Solution

The fourth proportional to 611,953.41, 917,712.87 and 179,550.18 is: 269,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,953.41 : 917,712.87 = 179,550.18 : x
  2. Step 2: Convert to fraction form
    611,953.41/917,712.87 = 179,550.18/x
  3. Step 3: Cross multiply
    611,953.41x = 917,712.87 × 179,550.18
  4. Step 4: Simplify right side
    611,953.41x = 164,775,510,996.82
  5. Step 5: Solve for x
    x = 164,775,510,996.82/611,953.41
  6. Step 6: Final answer
    x = 269,261.53

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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.