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Finding the Fourth Proportional to 517,569.38, 775,724.57 and 277,092.32

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Solution

The fourth proportional to 517,569.38, 775,724.57 and 277,092.32 is: 415,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,569.38 : 775,724.57 = 277,092.32 : x
  2. Step 2: Convert to fraction form
    517,569.38/775,724.57 = 277,092.32/x
  3. Step 3: Cross multiply
    517,569.38x = 775,724.57 × 277,092.32
  4. Step 4: Simplify right side
    517,569.38x = 214,947,321,336.15
  5. Step 5: Solve for x
    x = 214,947,321,336.15/517,569.38
  6. Step 6: Final answer
    x = 415,301.47

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1.5x scale

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.