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Finding the Fourth Proportional to 444,014.70, 613,020.47 and 308,001.07

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Solution

The fourth proportional to 444,014.70, 613,020.47 and 308,001.07 is: 425,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,014.70 : 613,020.47 = 308,001.07 : x
  2. Step 2: Convert to fraction form
    444,014.70/613,020.47 = 308,001.07/x
  3. Step 3: Cross multiply
    444,014.70x = 613,020.47 × 308,001.07
  4. Step 4: Simplify right side
    444,014.70x = 188,810,959,151.90
  5. Step 5: Solve for x
    x = 188,810,959,151.90/444,014.70
  6. Step 6: Final answer
    x = 425,235.83

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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.