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Finding the Fourth Proportional to 317,539.64, 476,351.69 and 167,786.03

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Solution

The fourth proportional to 317,539.64, 476,351.69 and 167,786.03 is: 251,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,539.64 : 476,351.69 = 167,786.03 : x
  2. Step 2: Convert to fraction form
    317,539.64/476,351.69 = 167,786.03/x
  3. Step 3: Cross multiply
    317,539.64x = 476,351.69 × 167,786.03
  4. Step 4: Simplify right side
    317,539.64x = 79,925,159,300.84
  5. Step 5: Solve for x
    x = 79,925,159,300.84/317,539.64
  6. Step 6: Final answer
    x = 251,701.36

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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.