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Finding the Fourth Proportional to 896,145.36, 1,344,480.48 and 265,076

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Solution

The fourth proportional to 896,145.36, 1,344,480.48 and 265,076 is: 397,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,145.36 : 1,344,480.48 = 265,076 : x
  2. Step 2: Convert to fraction form
    896,145.36/1,344,480.48 = 265,076/x
  3. Step 3: Cross multiply
    896,145.36x = 1,344,480.48 × 265,076
  4. Step 4: Simplify right side
    896,145.36x = 356,389,507,716.48
  5. Step 5: Solve for x
    x = 356,389,507,716.48/896,145.36
  6. Step 6: Final answer
    x = 397,691.63

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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.