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Finding the Fourth Proportional to 337,147.80, 505,721.70 and 230,859.60

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Solution

The fourth proportional to 337,147.80, 505,721.70 and 230,859.60 is: 346,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,147.80 : 505,721.70 = 230,859.60 : x
  2. Step 2: Convert to fraction form
    337,147.80/505,721.70 = 230,859.60/x
  3. Step 3: Cross multiply
    337,147.80x = 505,721.70 × 230,859.60
  4. Step 4: Simplify right side
    337,147.80x = 116,750,709,373.32
  5. Step 5: Solve for x
    x = 116,750,709,373.32/337,147.80
  6. Step 6: Final answer
    x = 346,289.40

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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.