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Finding the Fourth Proportional to 321,765.32, 444,036.21 and 178,525.03

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Solution

The fourth proportional to 321,765.32, 444,036.21 and 178,525.03 is: 246,364.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,765.32 : 444,036.21 = 178,525.03 : x
  2. Step 2: Convert to fraction form
    321,765.32/444,036.21 = 178,525.03/x
  3. Step 3: Cross multiply
    321,765.32x = 444,036.21 × 178,525.03
  4. Step 4: Simplify right side
    321,765.32x = 79,271,575,491.16
  5. Step 5: Solve for x
    x = 79,271,575,491.16/321,765.32
  6. Step 6: Final answer
    x = 246,364.57

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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.