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Finding the Fourth Proportional to 353,429.16, 488,026.54 and 327,786.18

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Solution

The fourth proportional to 353,429.16, 488,026.54 and 327,786.18 is: 452,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,429.16 : 488,026.54 = 327,786.18 : x
  2. Step 2: Convert to fraction form
    353,429.16/488,026.54 = 327,786.18/x
  3. Step 3: Cross multiply
    353,429.16x = 488,026.54 × 327,786.18
  4. Step 4: Simplify right side
    353,429.16x = 159,968,354,465.75
  5. Step 5: Solve for x
    x = 159,968,354,465.75/353,429.16
  6. Step 6: Final answer
    x = 452,617.87

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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.