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Finding the Fourth Proportional to 554,262.85, 831,394.28 and 199,083.12

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Solution

The fourth proportional to 554,262.85, 831,394.28 and 199,083.12 is: 298,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,262.85 : 831,394.28 = 199,083.12 : x
  2. Step 2: Convert to fraction form
    554,262.85/831,394.28 = 199,083.12/x
  3. Step 3: Cross multiply
    554,262.85x = 831,394.28 × 199,083.12
  4. Step 4: Simplify right side
    554,262.85x = 165,516,563,472.69
  5. Step 5: Solve for x
    x = 165,516,563,472.69/554,262.85
  6. Step 6: Final answer
    x = 298,624.67

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Similar ratio
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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.