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Finding the Fourth Proportional to 578,841.50, 798,801.27 and 324,274.70

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Solution

The fourth proportional to 578,841.50, 798,801.27 and 324,274.70 is: 447,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,841.50 : 798,801.27 = 324,274.70 : x
  2. Step 2: Convert to fraction form
    578,841.50/798,801.27 = 324,274.70/x
  3. Step 3: Cross multiply
    578,841.50x = 798,801.27 × 324,274.70
  4. Step 4: Simplify right side
    578,841.50x = 259,031,042,188.87
  5. Step 5: Solve for x
    x = 259,031,042,188.87/578,841.50
  6. Step 6: Final answer
    x = 447,499.09

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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.