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Finding the Fourth Proportional to 447,415.46, 671,124.58 and 110,456.15

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Solution

The fourth proportional to 447,415.46, 671,124.58 and 110,456.15 is: 165,684.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,415.46 : 671,124.58 = 110,456.15 : x
  2. Step 2: Convert to fraction form
    447,415.46/671,124.58 = 110,456.15/x
  3. Step 3: Cross multiply
    447,415.46x = 671,124.58 × 110,456.15
  4. Step 4: Simplify right side
    447,415.46x = 74,129,833,956.06
  5. Step 5: Solve for x
    x = 74,129,833,956.06/447,415.46
  6. Step 6: Final answer
    x = 165,684.56

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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.