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Finding the Fourth Proportional to 340,351.56, 510,562.26 and 130,166.28

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Solution

The fourth proportional to 340,351.56, 510,562.26 and 130,166.28 is: 195,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,351.56 : 510,562.26 = 130,166.28 : x
  2. Step 2: Convert to fraction form
    340,351.56/510,562.26 = 130,166.28/x
  3. Step 3: Cross multiply
    340,351.56x = 510,562.26 × 130,166.28
  4. Step 4: Simplify right side
    340,351.56x = 66,457,990,092.59
  5. Step 5: Solve for x
    x = 66,457,990,092.59/340,351.56
  6. Step 6: Final answer
    x = 195,262.78

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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.