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Finding the Fourth Proportional to 319,004.53, 440,245.85 and 175,764.53

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Solution

The fourth proportional to 319,004.53, 440,245.85 and 175,764.53 is: 242,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,004.53 : 440,245.85 = 175,764.53 : x
  2. Step 2: Convert to fraction form
    319,004.53/440,245.85 = 175,764.53/x
  3. Step 3: Cross multiply
    319,004.53x = 440,245.85 × 175,764.53
  4. Step 4: Simplify right side
    319,004.53x = 77,379,605,131.49
  5. Step 5: Solve for x
    x = 77,379,605,131.49/319,004.53
  6. Step 6: Final answer
    x = 242,565.85

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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.