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Finding the Fourth Proportional to 539,091.26, 744,185.06 and 348,197.75

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Solution

The fourth proportional to 539,091.26, 744,185.06 and 348,197.75 is: 480,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,091.26 : 744,185.06 = 348,197.75 : x
  2. Step 2: Convert to fraction form
    539,091.26/744,185.06 = 348,197.75/x
  3. Step 3: Cross multiply
    539,091.26x = 744,185.06 × 348,197.75
  4. Step 4: Simplify right side
    539,091.26x = 259,123,563,475.62
  5. Step 5: Solve for x
    x = 259,123,563,475.62/539,091.26
  6. Step 6: Final answer
    x = 480,667.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.