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Finding the Fourth Proportional to 366,920.18, 550,458.03 and 117,777.14

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Solution

The fourth proportional to 366,920.18, 550,458.03 and 117,777.14 is: 176,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,920.18 : 550,458.03 = 117,777.14 : x
  2. Step 2: Convert to fraction form
    366,920.18/550,458.03 = 117,777.14/x
  3. Step 3: Cross multiply
    366,920.18x = 550,458.03 × 117,777.14
  4. Step 4: Simplify right side
    366,920.18x = 64,831,372,463.43
  5. Step 5: Solve for x
    x = 64,831,372,463.43/366,920.18
  6. Step 6: Final answer
    x = 176,690.67

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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.