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Finding the Fourth Proportional to 344,085.88, 516,128.74 and 107,448.84

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Solution

The fourth proportional to 344,085.88, 516,128.74 and 107,448.84 is: 161,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,085.88 : 516,128.74 = 107,448.84 : x
  2. Step 2: Convert to fraction form
    344,085.88/516,128.74 = 107,448.84/x
  3. Step 3: Cross multiply
    344,085.88x = 516,128.74 × 107,448.84
  4. Step 4: Simplify right side
    344,085.88x = 55,457,434,403.66
  5. Step 5: Solve for x
    x = 55,457,434,403.66/344,085.88
  6. Step 6: Final answer
    x = 161,173.24

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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.