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Finding the Fourth Proportional to 541,185.28, 746,224.51 and 404,782.09

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Solution

The fourth proportional to 541,185.28, 746,224.51 and 404,782.09 is: 558,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,185.28 : 746,224.51 = 404,782.09 : x
  2. Step 2: Convert to fraction form
    541,185.28/746,224.51 = 404,782.09/x
  3. Step 3: Cross multiply
    541,185.28x = 746,224.51 × 404,782.09
  4. Step 4: Simplify right side
    541,185.28x = 302,058,316,767.03
  5. Step 5: Solve for x
    x = 302,058,316,767.03/541,185.28
  6. Step 6: Final answer
    x = 558,142.15

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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.