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Finding the Fourth Proportional to 522,272.83, 720,956.97 and 352,736.59

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Solution

The fourth proportional to 522,272.83, 720,956.97 and 352,736.59 is: 486,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,272.83 : 720,956.97 = 352,736.59 : x
  2. Step 2: Convert to fraction form
    522,272.83/720,956.97 = 352,736.59/x
  3. Step 3: Cross multiply
    522,272.83x = 720,956.97 × 352,736.59
  4. Step 4: Simplify right side
    522,272.83x = 254,307,903,134.53
  5. Step 5: Solve for x
    x = 254,307,903,134.53/522,272.83
  6. Step 6: Final answer
    x = 486,925.39

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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.