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Finding the Fourth Proportional to 522,274.83, 720,959.73 and 352,738.59

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Solution

The fourth proportional to 522,274.83, 720,959.73 and 352,738.59 is: 486,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,274.83 : 720,959.73 = 352,738.59 : x
  2. Step 2: Convert to fraction form
    522,274.83/720,959.73 = 352,738.59/x
  3. Step 3: Cross multiply
    522,274.83x = 720,959.73 × 352,738.59
  4. Step 4: Simplify right side
    522,274.83x = 254,310,318,606.98
  5. Step 5: Solve for x
    x = 254,310,318,606.98/522,274.83
  6. Step 6: Final answer
    x = 486,928.15

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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.