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Finding the Fourth Proportional to 569,282.25, 785,608.15 and 324,266.97

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Solution

The fourth proportional to 569,282.25, 785,608.15 and 324,266.97 is: 447,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,282.25 : 785,608.15 = 324,266.97 : x
  2. Step 2: Convert to fraction form
    569,282.25/785,608.15 = 324,266.97/x
  3. Step 3: Cross multiply
    569,282.25x = 785,608.15 × 324,266.97
  4. Step 4: Simplify right side
    569,282.25x = 254,746,772,786.47
  5. Step 5: Solve for x
    x = 254,746,772,786.47/569,282.25
  6. Step 6: Final answer
    x = 447,487.64

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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.