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Finding the Fourth Proportional to 482,797.44, 666,340.56 and 281,593.44

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Solution

The fourth proportional to 482,797.44, 666,340.56 and 281,593.44 is: 388,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,797.44 : 666,340.56 = 281,593.44 : x
  2. Step 2: Convert to fraction form
    482,797.44/666,340.56 = 281,593.44/x
  3. Step 3: Cross multiply
    482,797.44x = 666,340.56 × 281,593.44
  4. Step 4: Simplify right side
    482,797.44x = 187,637,130,501.93
  5. Step 5: Solve for x
    x = 187,637,130,501.93/482,797.44
  6. Step 6: Final answer
    x = 388,645.66

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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.