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Finding the Fourth Proportional to 463,343.40, 695,015.10 and 276,719.40

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Solution

The fourth proportional to 463,343.40, 695,015.10 and 276,719.40 is: 415,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,343.40 : 695,015.10 = 276,719.40 : x
  2. Step 2: Convert to fraction form
    463,343.40/695,015.10 = 276,719.40/x
  3. Step 3: Cross multiply
    463,343.40x = 695,015.10 × 276,719.40
  4. Step 4: Simplify right side
    463,343.40x = 192,324,161,462.94
  5. Step 5: Solve for x
    x = 192,324,161,462.94/463,343.40
  6. Step 6: Final answer
    x = 415,079.10

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Similar ratio
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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.