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Finding the Fourth Proportional to 407,974.03, 612,056.79 and 401,196.11

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Solution

The fourth proportional to 407,974.03, 612,056.79 and 401,196.11 is: 601,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,974.03 : 612,056.79 = 401,196.11 : x
  2. Step 2: Convert to fraction form
    407,974.03/612,056.79 = 401,196.11/x
  3. Step 3: Cross multiply
    407,974.03x = 612,056.79 × 401,196.11
  4. Step 4: Simplify right side
    407,974.03x = 245,554,800,186.80
  5. Step 5: Solve for x
    x = 245,554,800,186.80/407,974.03
  6. Step 6: Final answer
    x = 601,888.32

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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.