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Finding the Fourth Proportional to 445,906.17, 615,309.84 and 264,586.86

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Solution

The fourth proportional to 445,906.17, 615,309.84 and 264,586.86 is: 365,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,906.17 : 615,309.84 = 264,586.86 : x
  2. Step 2: Convert to fraction form
    445,906.17/615,309.84 = 264,586.86/x
  3. Step 3: Cross multiply
    445,906.17x = 615,309.84 × 264,586.86
  4. Step 4: Simplify right side
    445,906.17x = 162,802,898,492.70
  5. Step 5: Solve for x
    x = 162,802,898,492.70/445,906.17
  6. Step 6: Final answer
    x = 365,105.73

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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.