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Finding the Fourth Proportional to 344,344.36, 475,207.40 and 191,385.60

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Solution

The fourth proportional to 344,344.36, 475,207.40 and 191,385.60 is: 264,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,344.36 : 475,207.40 = 191,385.60 : x
  2. Step 2: Convert to fraction form
    344,344.36/475,207.40 = 191,385.60/x
  3. Step 3: Cross multiply
    344,344.36x = 475,207.40 × 191,385.60
  4. Step 4: Simplify right side
    344,344.36x = 90,947,853,373.44
  5. Step 5: Solve for x
    x = 90,947,853,373.44/344,344.36
  6. Step 6: Final answer
    x = 264,118.90

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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.