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Finding the Fourth Proportional to 554,427.56, 831,743.89 and 175,443.71

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Solution

The fourth proportional to 554,427.56, 831,743.89 and 175,443.71 is: 263,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,427.56 : 831,743.89 = 175,443.71 : x
  2. Step 2: Convert to fraction form
    554,427.56/831,743.89 = 175,443.71/x
  3. Step 3: Cross multiply
    554,427.56x = 831,743.89 × 175,443.71
  4. Step 4: Simplify right side
    554,427.56x = 145,924,229,234.10
  5. Step 5: Solve for x
    x = 145,924,229,234.10/554,427.56
  6. Step 6: Final answer
    x = 263,198.01

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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.