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Finding the Fourth Proportional to 407,900.44, 611,937.33 and 171,106.66

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Solution

The fourth proportional to 407,900.44, 611,937.33 and 171,106.66 is: 256,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,900.44 : 611,937.33 = 171,106.66 : x
  2. Step 2: Convert to fraction form
    407,900.44/611,937.33 = 171,106.66/x
  3. Step 3: Cross multiply
    407,900.44x = 611,937.33 × 171,106.66
  4. Step 4: Simplify right side
    407,900.44x = 104,706,552,665.62
  5. Step 5: Solve for x
    x = 104,706,552,665.62/407,900.44
  6. Step 6: Final answer
    x = 256,696.35

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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.