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Finding the Fourth Proportional to 369,466.47, 554,407.26 and 200,998.56

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Solution

The fourth proportional to 369,466.47, 554,407.26 and 200,998.56 is: 301,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,466.47 : 554,407.26 = 200,998.56 : x
  2. Step 2: Convert to fraction form
    369,466.47/554,407.26 = 200,998.56/x
  3. Step 3: Cross multiply
    369,466.47x = 554,407.26 × 200,998.56
  4. Step 4: Simplify right side
    369,466.47x = 111,435,060,913.55
  5. Step 5: Solve for x
    x = 111,435,060,913.55/369,466.47
  6. Step 6: Final answer
    x = 301,610.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.