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Finding the Fourth Proportional to 702,849.27, 969,927.56 and 380,558.37

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Solution

The fourth proportional to 702,849.27, 969,927.56 and 380,558.37 is: 525,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,849.27 : 969,927.56 = 380,558.37 : x
  2. Step 2: Convert to fraction form
    702,849.27/969,927.56 = 380,558.37/x
  3. Step 3: Cross multiply
    702,849.27x = 969,927.56 × 380,558.37
  4. Step 4: Simplify right side
    702,849.27x = 369,114,049,348.89
  5. Step 5: Solve for x
    x = 369,114,049,348.89/702,849.27
  6. Step 6: Final answer
    x = 525,168.15

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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.