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Finding the Fourth Proportional to 344,014.56, 515,714.04 and 133,602.48

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Solution

The fourth proportional to 344,014.56, 515,714.04 and 133,602.48 is: 200,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,014.56 : 515,714.04 = 133,602.48 : x
  2. Step 2: Convert to fraction form
    344,014.56/515,714.04 = 133,602.48/x
  3. Step 3: Cross multiply
    344,014.56x = 515,714.04 × 133,602.48
  4. Step 4: Simplify right side
    344,014.56x = 68,900,674,714.82
  5. Step 5: Solve for x
    x = 68,900,674,714.82/344,014.56
  6. Step 6: Final answer
    x = 200,284.18

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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.