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Finding the Fourth Proportional to 611,522.01, 917,393.22 and 251,629.29

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Solution

The fourth proportional to 611,522.01, 917,393.22 and 251,629.29 is: 377,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,522.01 : 917,393.22 = 251,629.29 : x
  2. Step 2: Convert to fraction form
    611,522.01/917,393.22 = 251,629.29/x
  3. Step 3: Cross multiply
    611,522.01x = 917,393.22 × 251,629.29
  4. Step 4: Simplify right side
    611,522.01x = 230,843,004,599.41
  5. Step 5: Solve for x
    x = 230,843,004,599.41/611,522.01
  6. Step 6: Final answer
    x = 377,489.28

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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.