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Finding the Fourth Proportional to 479,057.83, 718,586.84 and 194,903.01

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Solution

The fourth proportional to 479,057.83, 718,586.84 and 194,903.01 is: 292,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,057.83 : 718,586.84 = 194,903.01 : x
  2. Step 2: Convert to fraction form
    479,057.83/718,586.84 = 194,903.01/x
  3. Step 3: Cross multiply
    479,057.83x = 718,586.84 × 194,903.01
  4. Step 4: Simplify right side
    479,057.83x = 140,054,738,549.65
  5. Step 5: Solve for x
    x = 140,054,738,549.65/479,057.83
  6. Step 6: Final answer
    x = 292,354.56

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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.