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Finding the Fourth Proportional to 424,847.36, 637,271.06 and 158,628.64

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Solution

The fourth proportional to 424,847.36, 637,271.06 and 158,628.64 is: 237,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,847.36 : 637,271.06 = 158,628.64 : x
  2. Step 2: Convert to fraction form
    424,847.36/637,271.06 = 158,628.64/x
  3. Step 3: Cross multiply
    424,847.36x = 637,271.06 × 158,628.64
  4. Step 4: Simplify right side
    424,847.36x = 101,089,441,559.16
  5. Step 5: Solve for x
    x = 101,089,441,559.16/424,847.36
  6. Step 6: Final answer
    x = 237,942.97

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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.