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Finding the Fourth Proportional to 493,608.06, 740,412.02 and 119,631.06

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Solution

The fourth proportional to 493,608.06, 740,412.02 and 119,631.06 is: 179,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,608.06 : 740,412.02 = 119,631.06 : x
  2. Step 2: Convert to fraction form
    493,608.06/740,412.02 = 119,631.06/x
  3. Step 3: Cross multiply
    493,608.06x = 740,412.02 × 119,631.06
  4. Step 4: Simplify right side
    493,608.06x = 88,576,275,088.42
  5. Step 5: Solve for x
    x = 88,576,275,088.42/493,608.06
  6. Step 6: Final answer
    x = 179,446.57

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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.