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Finding the Fourth Proportional to 631,012.24, 870,793.50 and 344,532.52

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Solution

The fourth proportional to 631,012.24, 870,793.50 and 344,532.52 is: 475,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,012.24 : 870,793.50 = 344,532.52 : x
  2. Step 2: Convert to fraction form
    631,012.24/870,793.50 = 344,532.52/x
  3. Step 3: Cross multiply
    631,012.24x = 870,793.50 × 344,532.52
  4. Step 4: Simplify right side
    631,012.24x = 300,016,678,954.62
  5. Step 5: Solve for x
    x = 300,016,678,954.62/631,012.24
  6. Step 6: Final answer
    x = 475,453.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.