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Finding the Fourth Proportional to 304,215.65, 419,830.64 and 168,249.56

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Solution

The fourth proportional to 304,215.65, 419,830.64 and 168,249.56 is: 232,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,215.65 : 419,830.64 = 168,249.56 : x
  2. Step 2: Convert to fraction form
    304,215.65/419,830.64 = 168,249.56/x
  3. Step 3: Cross multiply
    304,215.65x = 419,830.64 × 168,249.56
  4. Step 4: Simplify right side
    304,215.65x = 70,636,319,091.46
  5. Step 5: Solve for x
    x = 70,636,319,091.46/304,215.65
  6. Step 6: Final answer
    x = 232,191.60

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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.