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Finding the Fourth Proportional to 484,993.23, 726,247.70 and 404,831.89

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Solution

The fourth proportional to 484,993.23, 726,247.70 and 404,831.89 is: 606,210.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,993.23 : 726,247.70 = 404,831.89 : x
  2. Step 2: Convert to fraction form
    484,993.23/726,247.70 = 404,831.89/x
  3. Step 3: Cross multiply
    484,993.23x = 726,247.70 × 404,831.89
  4. Step 4: Simplify right side
    484,993.23x = 294,008,223,343.76
  5. Step 5: Solve for x
    x = 294,008,223,343.76/484,993.23
  6. Step 6: Final answer
    x = 606,210.98

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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.