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Finding the Fourth Proportional to 228,980.30, 343,470.45 and 104,564.30

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Solution

The fourth proportional to 228,980.30, 343,470.45 and 104,564.30 is: 156,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,980.30 : 343,470.45 = 104,564.30 : x
  2. Step 2: Convert to fraction form
    228,980.30/343,470.45 = 104,564.30/x
  3. Step 3: Cross multiply
    228,980.30x = 343,470.45 × 104,564.30
  4. Step 4: Simplify right side
    228,980.30x = 35,914,747,174.94
  5. Step 5: Solve for x
    x = 35,914,747,174.94/228,980.30
  6. Step 6: Final answer
    x = 156,846.45

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1.5x scale

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.