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Finding the Fourth Proportional to 395,361, 545,627.34 and 244,487.16

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Solution

The fourth proportional to 395,361, 545,627.34 and 244,487.16 is: 337,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,361 : 545,627.34 = 244,487.16 : x
  2. Step 2: Convert to fraction form
    395,361/545,627.34 = 244,487.16/x
  3. Step 3: Cross multiply
    395,361x = 545,627.34 × 244,487.16
  4. Step 4: Simplify right side
    395,361x = 133,398,878,774.95
  5. Step 5: Solve for x
    x = 133,398,878,774.95/395,361
  6. Step 6: Final answer
    x = 337,410.31

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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.