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Finding the Fourth Proportional to 573,474.25, 790,227.39 and 443,623.96

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Solution

The fourth proportional to 573,474.25, 790,227.39 and 443,623.96 is: 611,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,474.25 : 790,227.39 = 443,623.96 : x
  2. Step 2: Convert to fraction form
    573,474.25/790,227.39 = 443,623.96/x
  3. Step 3: Cross multiply
    573,474.25x = 790,227.39 × 443,623.96
  4. Step 4: Simplify right side
    573,474.25x = 350,563,804,052.26
  5. Step 5: Solve for x
    x = 350,563,804,052.26/573,474.25
  6. Step 6: Final answer
    x = 611,298.25

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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.