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Finding the Fourth Proportional to 427,634.75, 590,128.45 and 246,346.13

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Solution

The fourth proportional to 427,634.75, 590,128.45 and 246,346.13 is: 339,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,634.75 : 590,128.45 = 246,346.13 : x
  2. Step 2: Convert to fraction form
    427,634.75/590,128.45 = 246,346.13/x
  3. Step 3: Cross multiply
    427,634.75x = 590,128.45 × 246,346.13
  4. Step 4: Simplify right side
    427,634.75x = 145,375,856,293.89
  5. Step 5: Solve for x
    x = 145,375,856,293.89/427,634.75
  6. Step 6: Final answer
    x = 339,953.33

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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.