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Finding the Fourth Proportional to 444,657.48, 613,212.78 and 411,631.02

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Solution

The fourth proportional to 444,657.48, 613,212.78 and 411,631.02 is: 567,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,657.48 : 613,212.78 = 411,631.02 : x
  2. Step 2: Convert to fraction form
    444,657.48/613,212.78 = 411,631.02/x
  3. Step 3: Cross multiply
    444,657.48x = 613,212.78 × 411,631.02
  4. Step 4: Simplify right side
    444,657.48x = 252,417,402,108.44
  5. Step 5: Solve for x
    x = 252,417,402,108.44/444,657.48
  6. Step 6: Final answer
    x = 567,667.05

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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.