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Finding the Fourth Proportional to 635,768.88, 877,376.52 and 349,307.52

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Solution

The fourth proportional to 635,768.88, 877,376.52 and 349,307.52 is: 482,052.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,768.88 : 877,376.52 = 349,307.52 : x
  2. Step 2: Convert to fraction form
    635,768.88/877,376.52 = 349,307.52/x
  3. Step 3: Cross multiply
    635,768.88x = 877,376.52 × 349,307.52
  4. Step 4: Simplify right side
    635,768.88x = 306,474,216,307.43
  5. Step 5: Solve for x
    x = 306,474,216,307.43/635,768.88
  6. Step 6: Final answer
    x = 482,052.87

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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.