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Finding the Fourth Proportional to 369,906.18, 510,470.73 and 256,794.54

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Solution

The fourth proportional to 369,906.18, 510,470.73 and 256,794.54 is: 354,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,906.18 : 510,470.73 = 256,794.54 : x
  2. Step 2: Convert to fraction form
    369,906.18/510,470.73 = 256,794.54/x
  3. Step 3: Cross multiply
    369,906.18x = 510,470.73 × 256,794.54
  4. Step 4: Simplify right side
    369,906.18x = 131,086,096,293.81
  5. Step 5: Solve for x
    x = 131,086,096,293.81/369,906.18
  6. Step 6: Final answer
    x = 354,376.61

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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.