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Finding the Fourth Proportional to 554,018.82, 831,059.01 and 174,948.54

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Solution

The fourth proportional to 554,018.82, 831,059.01 and 174,948.54 is: 262,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,018.82 : 831,059.01 = 174,948.54 : x
  2. Step 2: Convert to fraction form
    554,018.82/831,059.01 = 174,948.54/x
  3. Step 3: Cross multiply
    554,018.82x = 831,059.01 × 174,948.54
  4. Step 4: Simplify right side
    554,018.82x = 145,392,560,453.35
  5. Step 5: Solve for x
    x = 145,392,560,453.35/554,018.82
  6. Step 6: Final answer
    x = 262,432.53

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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.