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Finding the Fourth Proportional to 591,597.16, 816,571.20 and 349,963.63

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Solution

The fourth proportional to 591,597.16, 816,571.20 and 349,963.63 is: 483,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,597.16 : 816,571.20 = 349,963.63 : x
  2. Step 2: Convert to fraction form
    591,597.16/816,571.20 = 349,963.63/x
  3. Step 3: Cross multiply
    591,597.16x = 816,571.20 × 349,963.63
  4. Step 4: Simplify right side
    591,597.16x = 285,770,221,305.46
  5. Step 5: Solve for x
    x = 285,770,221,305.46/591,597.16
  6. Step 6: Final answer
    x = 483,048.67

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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.