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Finding the Fourth Proportional to 328,432.01, 453,267.56 and 205,943.90

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Solution

The fourth proportional to 328,432.01, 453,267.56 and 205,943.90 is: 284,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,432.01 : 453,267.56 = 205,943.90 : x
  2. Step 2: Convert to fraction form
    328,432.01/453,267.56 = 205,943.90/x
  3. Step 3: Cross multiply
    328,432.01x = 453,267.56 × 205,943.90
  4. Step 4: Simplify right side
    328,432.01x = 93,347,687,298.41
  5. Step 5: Solve for x
    x = 93,347,687,298.41/328,432.01
  6. Step 6: Final answer
    x = 284,222.26

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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.