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Finding the Fourth Proportional to 494,993.93, 742,503.69 and 158,034.29

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Solution

The fourth proportional to 494,993.93, 742,503.69 and 158,034.29 is: 237,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,993.93 : 742,503.69 = 158,034.29 : x
  2. Step 2: Convert to fraction form
    494,993.93/742,503.69 = 158,034.29/x
  3. Step 3: Cross multiply
    494,993.93x = 742,503.69 × 158,034.29
  4. Step 4: Simplify right side
    494,993.93x = 117,341,039,759.01
  5. Step 5: Solve for x
    x = 117,341,039,759.01/494,993.93
  6. Step 6: Final answer
    x = 237,055.51

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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.