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Finding the Fourth Proportional to 382,601.70, 573,902.55 and 364,230.90

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Solution

The fourth proportional to 382,601.70, 573,902.55 and 364,230.90 is: 546,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,601.70 : 573,902.55 = 364,230.90 : x
  2. Step 2: Convert to fraction form
    382,601.70/573,902.55 = 364,230.90/x
  3. Step 3: Cross multiply
    382,601.70x = 573,902.55 × 364,230.90
  4. Step 4: Simplify right side
    382,601.70x = 209,033,042,298.80
  5. Step 5: Solve for x
    x = 209,033,042,298.80/382,601.70
  6. Step 6: Final answer
    x = 546,346.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.