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Finding the Fourth Proportional to 328,437.81, 453,243.98 and 177,534.81

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Solution

The fourth proportional to 328,437.81, 453,243.98 and 177,534.81 is: 244,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,437.81 : 453,243.98 = 177,534.81 : x
  2. Step 2: Convert to fraction form
    328,437.81/453,243.98 = 177,534.81/x
  3. Step 3: Cross multiply
    328,437.81x = 453,243.98 × 177,534.81
  4. Step 4: Simplify right side
    328,437.81x = 80,466,582,985.27
  5. Step 5: Solve for x
    x = 80,466,582,985.27/328,437.81
  6. Step 6: Final answer
    x = 244,997.93

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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.