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Finding the Fourth Proportional to 373,428.92, 560,140.50 and 92,944.28

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Solution

The fourth proportional to 373,428.92, 560,140.50 and 92,944.28 is: 139,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,428.92 : 560,140.50 = 92,944.28 : x
  2. Step 2: Convert to fraction form
    373,428.92/560,140.50 = 92,944.28/x
  3. Step 3: Cross multiply
    373,428.92x = 560,140.50 × 92,944.28
  4. Step 4: Simplify right side
    373,428.92x = 52,061,855,471.34
  5. Step 5: Solve for x
    x = 52,061,855,471.34/373,428.92
  6. Step 6: Final answer
    x = 139,415.70

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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.