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Finding the Fourth Proportional to 319,067.88, 440,292.85 and 175,827.89

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Solution

The fourth proportional to 319,067.88, 440,292.85 and 175,827.89 is: 242,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,067.88 : 440,292.85 = 175,827.89 : x
  2. Step 2: Convert to fraction form
    319,067.88/440,292.85 = 175,827.89/x
  3. Step 3: Cross multiply
    319,067.88x = 440,292.85 × 175,827.89
  4. Step 4: Simplify right side
    319,067.88x = 77,415,762,797.59
  5. Step 5: Solve for x
    x = 77,415,762,797.59/319,067.88
  6. Step 6: Final answer
    x = 242,631.01

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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.