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Finding the Fourth Proportional to 854,596.83, 1,179,212.62 and 491,950.62

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Solution

The fourth proportional to 854,596.83, 1,179,212.62 and 491,950.62 is: 678,816.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,596.83 : 1,179,212.62 = 491,950.62 : x
  2. Step 2: Convert to fraction form
    854,596.83/1,179,212.62 = 491,950.62/x
  3. Step 3: Cross multiply
    854,596.83x = 1,179,212.62 × 491,950.62
  4. Step 4: Simplify right side
    854,596.83x = 580,114,373,624.76
  5. Step 5: Solve for x
    x = 580,114,373,624.76/854,596.83
  6. Step 6: Final answer
    x = 678,816.44

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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.