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Finding the Fourth Proportional to 319,903.06, 441,454.16 and 174,704.03

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Solution

The fourth proportional to 319,903.06, 441,454.16 and 174,704.03 is: 241,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,903.06 : 441,454.16 = 174,704.03 : x
  2. Step 2: Convert to fraction form
    319,903.06/441,454.16 = 174,704.03/x
  3. Step 3: Cross multiply
    319,903.06x = 441,454.16 × 174,704.03
  4. Step 4: Simplify right side
    319,903.06x = 77,123,820,812.26
  5. Step 5: Solve for x
    x = 77,123,820,812.26/319,903.06
  6. Step 6: Final answer
    x = 241,084.97

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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.