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Finding the Fourth Proportional to 554,202.28, 764,288.49 and 349,898.23

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Solution

The fourth proportional to 554,202.28, 764,288.49 and 349,898.23 is: 482,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,202.28 : 764,288.49 = 349,898.23 : x
  2. Step 2: Convert to fraction form
    554,202.28/764,288.49 = 349,898.23/x
  3. Step 3: Cross multiply
    554,202.28x = 764,288.49 × 349,898.23
  4. Step 4: Simplify right side
    554,202.28x = 267,423,189,860.37
  5. Step 5: Solve for x
    x = 267,423,189,860.37/554,202.28
  6. Step 6: Final answer
    x = 482,537.15

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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.