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Finding the Fourth Proportional to 519,910.01, 717,092.00 and 328,738.88

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Solution

The fourth proportional to 519,910.01, 717,092.00 and 328,738.88 is: 453,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,910.01 : 717,092.00 = 328,738.88 : x
  2. Step 2: Convert to fraction form
    519,910.01/717,092.00 = 328,738.88/x
  3. Step 3: Cross multiply
    519,910.01x = 717,092.00 × 328,738.88
  4. Step 4: Simplify right side
    519,910.01x = 235,736,016,940.58
  5. Step 5: Solve for x
    x = 235,736,016,940.58/519,910.01
  6. Step 6: Final answer
    x = 453,416.96

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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.