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Finding the Fourth Proportional to 273,158.10, 409,737.15 and 248,663.70

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Solution

The fourth proportional to 273,158.10, 409,737.15 and 248,663.70 is: 372,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,158.10 : 409,737.15 = 248,663.70 : x
  2. Step 2: Convert to fraction form
    273,158.10/409,737.15 = 248,663.70/x
  3. Step 3: Cross multiply
    273,158.10x = 409,737.15 × 248,663.70
  4. Step 4: Simplify right side
    273,158.10x = 101,886,755,746.46
  5. Step 5: Solve for x
    x = 101,886,755,746.46/273,158.10
  6. Step 6: Final answer
    x = 372,995.55

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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.