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Finding the Fourth Proportional to 314,839.80, 472,238.10 and 101,604.60

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Solution

The fourth proportional to 314,839.80, 472,238.10 and 101,604.60 is: 152,399.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,839.80 : 472,238.10 = 101,604.60 : x
  2. Step 2: Convert to fraction form
    314,839.80/472,238.10 = 101,604.60/x
  3. Step 3: Cross multiply
    314,839.80x = 472,238.10 × 101,604.60
  4. Step 4: Simplify right side
    314,839.80x = 47,981,563,255.26
  5. Step 5: Solve for x
    x = 47,981,563,255.26/314,839.80
  6. Step 6: Final answer
    x = 152,399.93

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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.