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Finding the Fourth Proportional to 570,979.53, 856,402.57 and 229,409.12

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Solution

The fourth proportional to 570,979.53, 856,402.57 and 229,409.12 is: 344,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,979.53 : 856,402.57 = 229,409.12 : x
  2. Step 2: Convert to fraction form
    570,979.53/856,402.57 = 229,409.12/x
  3. Step 3: Cross multiply
    570,979.53x = 856,402.57 × 229,409.12
  4. Step 4: Simplify right side
    570,979.53x = 196,466,559,949.44
  5. Step 5: Solve for x
    x = 196,466,559,949.44/570,979.53
  6. Step 6: Final answer
    x = 344,086.87

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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.