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Finding the Fourth Proportional to 269,519.70, 404,571.15 and 151,421.70

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Solution

The fourth proportional to 269,519.70, 404,571.15 and 151,421.70 is: 227,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,519.70 : 404,571.15 = 151,421.70 : x
  2. Step 2: Convert to fraction form
    269,519.70/404,571.15 = 151,421.70/x
  3. Step 3: Cross multiply
    269,519.70x = 404,571.15 × 151,421.70
  4. Step 4: Simplify right side
    269,519.70x = 61,260,851,303.96
  5. Step 5: Solve for x
    x = 61,260,851,303.96/269,519.70
  6. Step 6: Final answer
    x = 227,296.38

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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.