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Finding the Fourth Proportional to 451,191.77, 676,762.75 and 151,641.42

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Solution

The fourth proportional to 451,191.77, 676,762.75 and 151,641.42 is: 227,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,191.77 : 676,762.75 = 151,641.42 : x
  2. Step 2: Convert to fraction form
    451,191.77/676,762.75 = 151,641.42/x
  3. Step 3: Cross multiply
    451,191.77x = 676,762.75 × 151,641.42
  4. Step 4: Simplify right side
    451,191.77x = 102,625,261,211.81
  5. Step 5: Solve for x
    x = 102,625,261,211.81/451,191.77
  6. Step 6: Final answer
    x = 227,453.75

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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.