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Finding the Fourth Proportional to 445,372.64, 668,146.32 and 164,892.32

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Solution

The fourth proportional to 445,372.64, 668,146.32 and 164,892.32 is: 247,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,372.64 : 668,146.32 = 164,892.32 : x
  2. Step 2: Convert to fraction form
    445,372.64/668,146.32 = 164,892.32/x
  3. Step 3: Cross multiply
    445,372.64x = 668,146.32 × 164,892.32
  4. Step 4: Simplify right side
    445,372.64x = 110,172,196,804.26
  5. Step 5: Solve for x
    x = 110,172,196,804.26/445,372.64
  6. Step 6: Final answer
    x = 247,370.82

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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.