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Finding the Fourth Proportional to 453,592.88, 679,968.60 and 200,738.96

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Solution

The fourth proportional to 453,592.88, 679,968.60 and 200,738.96 is: 300,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,592.88 : 679,968.60 = 200,738.96 : x
  2. Step 2: Convert to fraction form
    453,592.88/679,968.60 = 200,738.96/x
  3. Step 3: Cross multiply
    453,592.88x = 679,968.60 × 200,738.96
  4. Step 4: Simplify right side
    453,592.88x = 136,496,189,596.66
  5. Step 5: Solve for x
    x = 136,496,189,596.66/453,592.88
  6. Step 6: Final answer
    x = 300,922.25

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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.