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Finding the Fourth Proportional to 357,133.96, 536,046.54 and 262,654.60

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Solution

The fourth proportional to 357,133.96, 536,046.54 and 262,654.60 is: 394,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,133.96 : 536,046.54 = 262,654.60 : x
  2. Step 2: Convert to fraction form
    357,133.96/536,046.54 = 262,654.60/x
  3. Step 3: Cross multiply
    357,133.96x = 536,046.54 × 262,654.60
  4. Step 4: Simplify right side
    357,133.96x = 140,795,089,545.08
  5. Step 5: Solve for x
    x = 140,795,089,545.08/357,133.96
  6. Step 6: Final answer
    x = 394,236.07

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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.