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Finding the Fourth Proportional to 334,575.36, 461,714.72 and 198,636.64

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Solution

The fourth proportional to 334,575.36, 461,714.72 and 198,636.64 is: 274,118.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,575.36 : 461,714.72 = 198,636.64 : x
  2. Step 2: Convert to fraction form
    334,575.36/461,714.72 = 198,636.64/x
  3. Step 3: Cross multiply
    334,575.36x = 461,714.72 × 198,636.64
  4. Step 4: Simplify right side
    334,575.36x = 91,713,460,619.34
  5. Step 5: Solve for x
    x = 91,713,460,619.34/334,575.36
  6. Step 6: Final answer
    x = 274,118.99

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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.