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Finding the Fourth Proportional to 304,682.96, 420,462.22 and 168,716.90

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Solution

The fourth proportional to 304,682.96, 420,462.22 and 168,716.90 is: 232,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,682.96 : 420,462.22 = 168,716.90 : x
  2. Step 2: Convert to fraction form
    304,682.96/420,462.22 = 168,716.90/x
  3. Step 3: Cross multiply
    304,682.96x = 420,462.22 × 168,716.90
  4. Step 4: Simplify right side
    304,682.96x = 70,939,082,325.52
  5. Step 5: Solve for x
    x = 70,939,082,325.52/304,682.96
  6. Step 6: Final answer
    x = 232,829.18

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1.5x scale

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.