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Finding the Fourth Proportional to 444,066.32, 612,816.36 and 242,858

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Solution

The fourth proportional to 444,066.32, 612,816.36 and 242,858 is: 335,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,066.32 : 612,816.36 = 242,858 : x
  2. Step 2: Convert to fraction form
    444,066.32/612,816.36 = 242,858/x
  3. Step 3: Cross multiply
    444,066.32x = 612,816.36 × 242,858
  4. Step 4: Simplify right side
    444,066.32x = 148,827,355,556.88
  5. Step 5: Solve for x
    x = 148,827,355,556.88/444,066.32
  6. Step 6: Final answer
    x = 335,146.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.