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Finding the Fourth Proportional to 373,107, 514,889.39 and 211,970.88

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Solution

The fourth proportional to 373,107, 514,889.39 and 211,970.88 is: 292,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,107 : 514,889.39 = 211,970.88 : x
  2. Step 2: Convert to fraction form
    373,107/514,889.39 = 211,970.88/x
  3. Step 3: Cross multiply
    373,107x = 514,889.39 × 211,970.88
  4. Step 4: Simplify right side
    373,107x = 109,141,557,100.96
  5. Step 5: Solve for x
    x = 109,141,557,100.96/373,107
  6. Step 6: Final answer
    x = 292,520.80

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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.