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Finding the Fourth Proportional to 695,650.95, 959,996.19 and 385,573.34

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Solution

The fourth proportional to 695,650.95, 959,996.19 and 385,573.34 is: 532,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,650.95 : 959,996.19 = 385,573.34 : x
  2. Step 2: Convert to fraction form
    695,650.95/959,996.19 = 385,573.34/x
  3. Step 3: Cross multiply
    695,650.95x = 959,996.19 × 385,573.34
  4. Step 4: Simplify right side
    695,650.95x = 370,148,932,565.59
  5. Step 5: Solve for x
    x = 370,148,932,565.59/695,650.95
  6. Step 6: Final answer
    x = 532,090.03

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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.