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Finding the Fourth Proportional to 343,186.86, 473,597.04 and 188,137.87

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Solution

The fourth proportional to 343,186.86, 473,597.04 and 188,137.87 is: 259,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,186.86 : 473,597.04 = 188,137.87 : x
  2. Step 2: Convert to fraction form
    343,186.86/473,597.04 = 188,137.87/x
  3. Step 3: Cross multiply
    343,186.86x = 473,597.04 × 188,137.87
  4. Step 4: Simplify right side
    343,186.86x = 89,101,538,343.90
  5. Step 5: Solve for x
    x = 89,101,538,343.90/343,186.86
  6. Step 6: Final answer
    x = 259,629.81

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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.