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Finding the Fourth Proportional to 573,621.12, 860,823.72 and 199,644.12

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Solution

The fourth proportional to 573,621.12, 860,823.72 and 199,644.12 is: 299,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,621.12 : 860,823.72 = 199,644.12 : x
  2. Step 2: Convert to fraction form
    573,621.12/860,823.72 = 199,644.12/x
  3. Step 3: Cross multiply
    573,621.12x = 860,823.72 × 199,644.12
  4. Step 4: Simplify right side
    573,621.12x = 171,858,394,054.53
  5. Step 5: Solve for x
    x = 171,858,394,054.53/573,621.12
  6. Step 6: Final answer
    x = 299,602.63

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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.