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Finding the Fourth Proportional to 483,690.64, 725,419.32 and 151,266.64

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Solution

The fourth proportional to 483,690.64, 725,419.32 and 151,266.64 is: 226,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,690.64 : 725,419.32 = 151,266.64 : x
  2. Step 2: Convert to fraction form
    483,690.64/725,419.32 = 151,266.64/x
  3. Step 3: Cross multiply
    483,690.64x = 725,419.32 × 151,266.64
  4. Step 4: Simplify right side
    483,690.64x = 109,731,743,127.49
  5. Step 5: Solve for x
    x = 109,731,743,127.49/483,690.64
  6. Step 6: Final answer
    x = 226,863.48

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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.