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Finding the Fourth Proportional to 319,571.88, 440,994.43 and 183,510.11

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Solution

The fourth proportional to 319,571.88, 440,994.43 and 183,510.11 is: 253,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,571.88 : 440,994.43 = 183,510.11 : x
  2. Step 2: Convert to fraction form
    319,571.88/440,994.43 = 183,510.11/x
  3. Step 3: Cross multiply
    319,571.88x = 440,994.43 × 183,510.11
  4. Step 4: Simplify right side
    319,571.88x = 80,926,934,177.72
  5. Step 5: Solve for x
    x = 80,926,934,177.72/319,571.88
  6. Step 6: Final answer
    x = 253,235.47

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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.