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Finding the Fourth Proportional to 406,846.55, 610,186.32 and 154,040.01

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Solution

The fourth proportional to 406,846.55, 610,186.32 and 154,040.01 is: 231,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,846.55 : 610,186.32 = 154,040.01 : x
  2. Step 2: Convert to fraction form
    406,846.55/610,186.32 = 154,040.01/x
  3. Step 3: Cross multiply
    406,846.55x = 610,186.32 × 154,040.01
  4. Step 4: Simplify right side
    406,846.55x = 93,993,106,834.66
  5. Step 5: Solve for x
    x = 93,993,106,834.66/406,846.55
  6. Step 6: Final answer
    x = 231,028.40

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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.