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Finding the Fourth Proportional to 579,486.88, 799,736.20 and 364,810.96

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Solution

The fourth proportional to 579,486.88, 799,736.20 and 364,810.96 is: 503,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,486.88 : 799,736.20 = 364,810.96 : x
  2. Step 2: Convert to fraction form
    579,486.88/799,736.20 = 364,810.96/x
  3. Step 3: Cross multiply
    579,486.88x = 799,736.20 × 364,810.96
  4. Step 4: Simplify right side
    579,486.88x = 291,752,530,868.75
  5. Step 5: Solve for x
    x = 291,752,530,868.75/579,486.88
  6. Step 6: Final answer
    x = 503,467.02

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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.