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Finding the Fourth Proportional to 319,047.06, 440,294.33 and 175,816.33

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Solution

The fourth proportional to 319,047.06, 440,294.33 and 175,816.33 is: 242,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,047.06 : 440,294.33 = 175,816.33 : x
  2. Step 2: Convert to fraction form
    319,047.06/440,294.33 = 175,816.33/x
  3. Step 3: Cross multiply
    319,047.06x = 440,294.33 × 175,816.33
  4. Step 4: Simplify right side
    319,047.06x = 77,410,933,220.41
  5. Step 5: Solve for x
    x = 77,410,933,220.41/319,047.06
  6. Step 6: Final answer
    x = 242,631.71

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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.