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Finding the Fourth Proportional to 351,059.64, 484,460.32 and 189,914.16

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Solution

The fourth proportional to 351,059.64, 484,460.32 and 189,914.16 is: 262,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,059.64 : 484,460.32 = 189,914.16 : x
  2. Step 2: Convert to fraction form
    351,059.64/484,460.32 = 189,914.16/x
  3. Step 3: Cross multiply
    351,059.64x = 484,460.32 × 189,914.16
  4. Step 4: Simplify right side
    351,059.64x = 92,005,874,726.13
  5. Step 5: Solve for x
    x = 92,005,874,726.13/351,059.64
  6. Step 6: Final answer
    x = 262,080.47

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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.