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Finding the Fourth Proportional to 431,846.88, 595,496.52 and 371,621.76

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Solution

The fourth proportional to 431,846.88, 595,496.52 and 371,621.76 is: 512,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,846.88 : 595,496.52 = 371,621.76 : x
  2. Step 2: Convert to fraction form
    431,846.88/595,496.52 = 371,621.76/x
  3. Step 3: Cross multiply
    431,846.88x = 595,496.52 × 371,621.76
  4. Step 4: Simplify right side
    431,846.88x = 221,299,464,836.28
  5. Step 5: Solve for x
    x = 221,299,464,836.28/431,846.88
  6. Step 6: Final answer
    x = 512,448.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.