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Finding the Fourth Proportional to 451,570.86, 676,027.50 and 301,438.80

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Solution

The fourth proportional to 451,570.86, 676,027.50 and 301,438.80 is: 451,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,570.86 : 676,027.50 = 301,438.80 : x
  2. Step 2: Convert to fraction form
    451,570.86/676,027.50 = 301,438.80/x
  3. Step 3: Cross multiply
    451,570.86x = 676,027.50 × 301,438.80
  4. Step 4: Simplify right side
    451,570.86x = 203,780,918,367
  5. Step 5: Solve for x
    x = 203,780,918,367/451,570.86
  6. Step 6: Final answer
    x = 451,271.19

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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.