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Finding the Fourth Proportional to 454,969.16, 682,453.73 and 155,452.22

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Solution

The fourth proportional to 454,969.16, 682,453.73 and 155,452.22 is: 233,178.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,969.16 : 682,453.73 = 155,452.22 : x
  2. Step 2: Convert to fraction form
    454,969.16/682,453.73 = 155,452.22/x
  3. Step 3: Cross multiply
    454,969.16x = 682,453.73 × 155,452.22
  4. Step 4: Simplify right side
    454,969.16x = 106,088,943,186.25
  5. Step 5: Solve for x
    x = 106,088,943,186.25/454,969.16
  6. Step 6: Final answer
    x = 233,178.32

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.