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Finding the Fourth Proportional to 304,410.57, 420,087.09 and 168,450.24

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Solution

The fourth proportional to 304,410.57, 420,087.09 and 168,450.24 is: 232,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,410.57 : 420,087.09 = 168,450.24 : x
  2. Step 2: Convert to fraction form
    304,410.57/420,087.09 = 168,450.24/x
  3. Step 3: Cross multiply
    304,410.57x = 420,087.09 × 168,450.24
  4. Step 4: Simplify right side
    304,410.57x = 70,763,768,188.72
  5. Step 5: Solve for x
    x = 70,763,768,188.72/304,410.57
  6. Step 6: Final answer
    x = 232,461.60

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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.