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Finding the Fourth Proportional to 304,054.68, 419,559.12 and 168,070.26

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Solution

The fourth proportional to 304,054.68, 419,559.12 and 168,070.26 is: 231,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,054.68 : 419,559.12 = 168,070.26 : x
  2. Step 2: Convert to fraction form
    304,054.68/419,559.12 = 168,070.26/x
  3. Step 3: Cross multiply
    304,054.68x = 419,559.12 × 168,070.26
  4. Step 4: Simplify right side
    304,054.68x = 70,515,410,383.77
  5. Step 5: Solve for x
    x = 70,515,410,383.77/304,054.68
  6. Step 6: Final answer
    x = 231,916.87

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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.