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Finding the Fourth Proportional to 496,764.30, 744,728.49 and 216,070.14

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Solution

The fourth proportional to 496,764.30, 744,728.49 and 216,070.14 is: 323,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,764.30 : 744,728.49 = 216,070.14 : x
  2. Step 2: Convert to fraction form
    496,764.30/744,728.49 = 216,070.14/x
  3. Step 3: Cross multiply
    496,764.30x = 744,728.49 × 216,070.14
  4. Step 4: Simplify right side
    496,764.30x = 160,913,589,096.29
  5. Step 5: Solve for x
    x = 160,913,589,096.29/496,764.30
  6. Step 6: Final answer
    x = 323,923.42

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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.