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Finding the Fourth Proportional to 331,310.76, 496,267.91 and 151,547.56

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Solution

The fourth proportional to 331,310.76, 496,267.91 and 151,547.56 is: 227,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,310.76 : 496,267.91 = 151,547.56 : x
  2. Step 2: Convert to fraction form
    331,310.76/496,267.91 = 151,547.56/x
  3. Step 3: Cross multiply
    331,310.76x = 496,267.91 × 151,547.56
  4. Step 4: Simplify right side
    331,310.76x = 75,208,190,866.80
  5. Step 5: Solve for x
    x = 75,208,190,866.80/331,310.76
  6. Step 6: Final answer
    x = 227,001.96

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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.