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Finding the Fourth Proportional to 354,330.96, 531,336.36 and 101,553.60

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Solution

The fourth proportional to 354,330.96, 531,336.36 and 101,553.60 is: 152,284.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,330.96 : 531,336.36 = 101,553.60 : x
  2. Step 2: Convert to fraction form
    354,330.96/531,336.36 = 101,553.60/x
  3. Step 3: Cross multiply
    354,330.96x = 531,336.36 × 101,553.60
  4. Step 4: Simplify right side
    354,330.96x = 53,959,120,168.90
  5. Step 5: Solve for x
    x = 53,959,120,168.90/354,330.96
  6. Step 6: Final answer
    x = 152,284.52

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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.