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Finding the Fourth Proportional to 314,669.44, 434,045.44 and 187,249.92

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Solution

The fourth proportional to 314,669.44, 434,045.44 and 187,249.92 is: 258,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,669.44 : 434,045.44 = 187,249.92 : x
  2. Step 2: Convert to fraction form
    314,669.44/434,045.44 = 187,249.92/x
  3. Step 3: Cross multiply
    314,669.44x = 434,045.44 × 187,249.92
  4. Step 4: Simplify right side
    314,669.44x = 81,274,973,916.36
  5. Step 5: Solve for x
    x = 81,274,973,916.36/314,669.44
  6. Step 6: Final answer
    x = 258,286.84

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1.5x scale

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.