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Finding the Fourth Proportional to 406,562.56, 608,799.36 and 265,911.04

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Solution

The fourth proportional to 406,562.56, 608,799.36 and 265,911.04 is: 398,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,562.56 : 608,799.36 = 265,911.04 : x
  2. Step 2: Convert to fraction form
    406,562.56/608,799.36 = 265,911.04/x
  3. Step 3: Cross multiply
    406,562.56x = 608,799.36 × 265,911.04
  4. Step 4: Simplify right side
    406,562.56x = 161,886,470,968.93
  5. Step 5: Solve for x
    x = 161,886,470,968.93/406,562.56
  6. Step 6: Final answer
    x = 398,183.42

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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.