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Finding the Fourth Proportional to 451,212.95, 676,820.96 and 114,253.45

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Solution

The fourth proportional to 451,212.95, 676,820.96 and 114,253.45 is: 171,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,212.95 : 676,820.96 = 114,253.45 : x
  2. Step 2: Convert to fraction form
    451,212.95/676,820.96 = 114,253.45/x
  3. Step 3: Cross multiply
    451,212.95x = 676,820.96 × 114,253.45
  4. Step 4: Simplify right side
    451,212.95x = 77,329,127,448.99
  5. Step 5: Solve for x
    x = 77,329,127,448.99/451,212.95
  6. Step 6: Final answer
    x = 171,380.56

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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.