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Finding the Fourth Proportional to 484,992.73, 726,246.95 and 404,831.39

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Solution

The fourth proportional to 484,992.73, 726,246.95 and 404,831.39 is: 606,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,992.73 : 726,246.95 = 404,831.39 : x
  2. Step 2: Convert to fraction form
    484,992.73/726,246.95 = 404,831.39/x
  3. Step 3: Cross multiply
    484,992.73x = 726,246.95 × 404,831.39
  4. Step 4: Simplify right side
    484,992.73x = 294,007,556,596.37
  5. Step 5: Solve for x
    x = 294,007,556,596.37/484,992.73
  6. Step 6: Final answer
    x = 606,210.23

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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.