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Finding the Fourth Proportional to 373,298.45, 559,949.70 and 92,815.70

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Solution

The fourth proportional to 373,298.45, 559,949.70 and 92,815.70 is: 139,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,298.45 : 559,949.70 = 92,815.70 : x
  2. Step 2: Convert to fraction form
    373,298.45/559,949.70 = 92,815.70/x
  3. Step 3: Cross multiply
    373,298.45x = 559,949.70 × 92,815.70
  4. Step 4: Simplify right side
    373,298.45x = 51,972,123,370.29
  5. Step 5: Solve for x
    x = 51,972,123,370.29/373,298.45
  6. Step 6: Final answer
    x = 139,224.05

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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.