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Finding the Fourth Proportional to 357,477.36, 493,362.53 and 206,574.36

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Solution

The fourth proportional to 357,477.36, 493,362.53 and 206,574.36 is: 285,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,477.36 : 493,362.53 = 206,574.36 : x
  2. Step 2: Convert to fraction form
    357,477.36/493,362.53 = 206,574.36/x
  3. Step 3: Cross multiply
    357,477.36x = 493,362.53 × 206,574.36
  4. Step 4: Simplify right side
    357,477.36x = 101,916,048,882.73
  5. Step 5: Solve for x
    x = 101,916,048,882.73/357,477.36
  6. Step 6: Final answer
    x = 285,097.91

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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.