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Finding the Fourth Proportional to 444,475, 613,379.82 and 243,275.32

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Solution

The fourth proportional to 444,475, 613,379.82 and 243,275.32 is: 335,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,475 : 613,379.82 = 243,275.32 : x
  2. Step 2: Convert to fraction form
    444,475/613,379.82 = 243,275.32/x
  3. Step 3: Cross multiply
    444,475x = 613,379.82 × 243,275.32
  4. Step 4: Simplify right side
    444,475x = 149,220,171,992.04
  5. Step 5: Solve for x
    x = 149,220,171,992.04/444,475
  6. Step 6: Final answer
    x = 335,722.31

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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.