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Finding the Fourth Proportional to 403,269.20, 604,212.60 and 262,955.60

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Solution

The fourth proportional to 403,269.20, 604,212.60 and 262,955.60 is: 393,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,269.20 : 604,212.60 = 262,955.60 : x
  2. Step 2: Convert to fraction form
    403,269.20/604,212.60 = 262,955.60/x
  3. Step 3: Cross multiply
    403,269.20x = 604,212.60 × 262,955.60
  4. Step 4: Simplify right side
    403,269.20x = 158,881,086,760.56
  5. Step 5: Solve for x
    x = 158,881,086,760.56/403,269.20
  6. Step 6: Final answer
    x = 393,982.70

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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.