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Finding the Fourth Proportional to 531,514.22, 797,432.27 and 189,912.90

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Solution

The fourth proportional to 531,514.22, 797,432.27 and 189,912.90 is: 284,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,514.22 : 797,432.27 = 189,912.90 : x
  2. Step 2: Convert to fraction form
    531,514.22/797,432.27 = 189,912.90/x
  3. Step 3: Cross multiply
    531,514.22x = 797,432.27 × 189,912.90
  4. Step 4: Simplify right side
    531,514.22x = 151,442,674,949.28
  5. Step 5: Solve for x
    x = 151,442,674,949.28/531,514.22
  6. Step 6: Final answer
    x = 284,926.85

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1.5x scale

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.