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Finding the Fourth Proportional to 506,049.96, 698,348.34 and 276,608.76

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Solution

The fourth proportional to 506,049.96, 698,348.34 and 276,608.76 is: 381,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,049.96 : 698,348.34 = 276,608.76 : x
  2. Step 2: Convert to fraction form
    506,049.96/698,348.34 = 276,608.76/x
  3. Step 3: Cross multiply
    506,049.96x = 698,348.34 × 276,608.76
  4. Step 4: Simplify right side
    506,049.96x = 193,169,268,375.46
  5. Step 5: Solve for x
    x = 193,169,268,375.46/506,049.96
  6. Step 6: Final answer
    x = 381,719.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.