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Finding the Fourth Proportional to 304,093.39, 419,646.12 and 168,130.79

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Solution

The fourth proportional to 304,093.39, 419,646.12 and 168,130.79 is: 232,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,093.39 : 419,646.12 = 168,130.79 : x
  2. Step 2: Convert to fraction form
    304,093.39/419,646.12 = 168,130.79/x
  3. Step 3: Cross multiply
    304,093.39x = 419,646.12 × 168,130.79
  4. Step 4: Simplify right side
    304,093.39x = 70,555,432,520.99
  5. Step 5: Solve for x
    x = 70,555,432,520.99/304,093.39
  6. Step 6: Final answer
    x = 232,018.96

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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.