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Finding the Fourth Proportional to 399,829.60, 599,525.70 and 162,904.60

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Solution

The fourth proportional to 399,829.60, 599,525.70 and 162,904.60 is: 244,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,829.60 : 599,525.70 = 162,904.60 : x
  2. Step 2: Convert to fraction form
    399,829.60/599,525.70 = 162,904.60/x
  3. Step 3: Cross multiply
    399,829.60x = 599,525.70 × 162,904.60
  4. Step 4: Simplify right side
    399,829.60x = 97,665,494,348.22
  5. Step 5: Solve for x
    x = 97,665,494,348.22/399,829.60
  6. Step 6: Final answer
    x = 244,267.79

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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.