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Finding the Fourth Proportional to 467,762.40, 701,643.60 and 168,289.20

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Solution

The fourth proportional to 467,762.40, 701,643.60 and 168,289.20 is: 252,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,762.40 : 701,643.60 = 168,289.20 : x
  2. Step 2: Convert to fraction form
    467,762.40/701,643.60 = 168,289.20/x
  3. Step 3: Cross multiply
    467,762.40x = 701,643.60 × 168,289.20
  4. Step 4: Simplify right side
    467,762.40x = 118,079,040,129.12
  5. Step 5: Solve for x
    x = 118,079,040,129.12/467,762.40
  6. Step 6: Final answer
    x = 252,433.80

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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.