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Finding the Fourth Proportional to 406,911.54, 610,297.56 and 107,395.32

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Solution

The fourth proportional to 406,911.54, 610,297.56 and 107,395.32 is: 161,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,911.54 : 610,297.56 = 107,395.32 : x
  2. Step 2: Convert to fraction form
    406,911.54/610,297.56 = 107,395.32/x
  3. Step 3: Cross multiply
    406,911.54x = 610,297.56 × 107,395.32
  4. Step 4: Simplify right side
    406,911.54x = 65,543,101,751.42
  5. Step 5: Solve for x
    x = 65,543,101,751.42/406,911.54
  6. Step 6: Final answer
    x = 161,074.57

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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.