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Finding the Fourth Proportional to 444,374.48, 613,221.54 and 253,449.38

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Solution

The fourth proportional to 444,374.48, 613,221.54 and 253,449.38 is: 349,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,374.48 : 613,221.54 = 253,449.38 : x
  2. Step 2: Convert to fraction form
    444,374.48/613,221.54 = 253,449.38/x
  3. Step 3: Cross multiply
    444,374.48x = 613,221.54 × 253,449.38
  4. Step 4: Simplify right side
    444,374.48x = 155,420,619,115.65
  5. Step 5: Solve for x
    x = 155,420,619,115.65/444,374.48
  6. Step 6: Final answer
    x = 349,751.45

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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.