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Finding the Fourth Proportional to 352,607.55, 528,449.31 and 163,043.85

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Solution

The fourth proportional to 352,607.55, 528,449.31 and 163,043.85 is: 244,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,607.55 : 528,449.31 = 163,043.85 : x
  2. Step 2: Convert to fraction form
    352,607.55/528,449.31 = 163,043.85/x
  3. Step 3: Cross multiply
    352,607.55x = 528,449.31 × 163,043.85
  4. Step 4: Simplify right side
    352,607.55x = 86,160,410,032.24
  5. Step 5: Solve for x
    x = 86,160,410,032.24/352,607.55
  6. Step 6: Final answer
    x = 244,352.14

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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.