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Finding the Fourth Proportional to 353,429.04, 488,026.36 and 327,786.06

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Solution

The fourth proportional to 353,429.04, 488,026.36 and 327,786.06 is: 452,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,429.04 : 488,026.36 = 327,786.06 : x
  2. Step 2: Convert to fraction form
    353,429.04/488,026.36 = 327,786.06/x
  3. Step 3: Cross multiply
    353,429.04x = 488,026.36 × 327,786.06
  4. Step 4: Simplify right side
    353,429.04x = 159,968,237,720.54
  5. Step 5: Solve for x
    x = 159,968,237,720.54/353,429.04
  6. Step 6: Final answer
    x = 452,617.70

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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.