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Finding the Fourth Proportional to 352,635.60, 528,078.60 and 282,651.60

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Solution

The fourth proportional to 352,635.60, 528,078.60 and 282,651.60 is: 423,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,635.60 : 528,078.60 = 282,651.60 : x
  2. Step 2: Convert to fraction form
    352,635.60/528,078.60 = 282,651.60/x
  3. Step 3: Cross multiply
    352,635.60x = 528,078.60 × 282,651.60
  4. Step 4: Simplify right side
    352,635.60x = 149,262,261,215.76
  5. Step 5: Solve for x
    x = 149,262,261,215.76/352,635.60
  6. Step 6: Final answer
    x = 423,276.21

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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.