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Finding the Fourth Proportional to 341,289.32, 512,008.64 and 104,650.44

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Solution

The fourth proportional to 341,289.32, 512,008.64 and 104,650.44 is: 156,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,289.32 : 512,008.64 = 104,650.44 : x
  2. Step 2: Convert to fraction form
    341,289.32/512,008.64 = 104,650.44/x
  3. Step 3: Cross multiply
    341,289.32x = 512,008.64 × 104,650.44
  4. Step 4: Simplify right side
    341,289.32x = 53,581,929,459.80
  5. Step 5: Solve for x
    x = 53,581,929,459.80/341,289.32
  6. Step 6: Final answer
    x = 156,998.55

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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.