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Finding the Fourth Proportional to 295,009.64, 442,179.56 and 259,402.04

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Solution

The fourth proportional to 295,009.64, 442,179.56 and 259,402.04 is: 388,808.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,009.64 : 442,179.56 = 259,402.04 : x
  2. Step 2: Convert to fraction form
    295,009.64/442,179.56 = 259,402.04/x
  3. Step 3: Cross multiply
    295,009.64x = 442,179.56 × 259,402.04
  4. Step 4: Simplify right side
    295,009.64x = 114,702,279,910.30
  5. Step 5: Solve for x
    x = 114,702,279,910.30/295,009.64
  6. Step 6: Final answer
    x = 388,808.58

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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.