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Finding the Fourth Proportional to 328,994.96, 453,995.88 and 193,010

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Solution

The fourth proportional to 328,994.96, 453,995.88 and 193,010 is: 266,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,994.96 : 453,995.88 = 193,010 : x
  2. Step 2: Convert to fraction form
    328,994.96/453,995.88 = 193,010/x
  3. Step 3: Cross multiply
    328,994.96x = 453,995.88 × 193,010
  4. Step 4: Simplify right side
    328,994.96x = 87,625,744,798.80
  5. Step 5: Solve for x
    x = 87,625,744,798.80/328,994.96
  6. Step 6: Final answer
    x = 266,343.73

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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.