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Finding the Fourth Proportional to 463,472, 639,591.36 and 251,504

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Solution

The fourth proportional to 463,472, 639,591.36 and 251,504 is: 347,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,472 : 639,591.36 = 251,504 : x
  2. Step 2: Convert to fraction form
    463,472/639,591.36 = 251,504/x
  3. Step 3: Cross multiply
    463,472x = 639,591.36 × 251,504
  4. Step 4: Simplify right side
    463,472x = 160,859,785,405.44
  5. Step 5: Solve for x
    x = 160,859,785,405.44/463,472
  6. Step 6: Final answer
    x = 347,075.52

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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.