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Finding the Fourth Proportional to 312,014.88, 467,598.21 and 131,950.62

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Solution

The fourth proportional to 312,014.88, 467,598.21 and 131,950.62 is: 197,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,014.88 : 467,598.21 = 131,950.62 : x
  2. Step 2: Convert to fraction form
    312,014.88/467,598.21 = 131,950.62/x
  3. Step 3: Cross multiply
    312,014.88x = 467,598.21 × 131,950.62
  4. Step 4: Simplify right side
    312,014.88x = 61,699,873,720.39
  5. Step 5: Solve for x
    x = 61,699,873,720.39/312,014.88
  6. Step 6: Final answer
    x = 197,746.57

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1.5x scale

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.