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Finding the Fourth Proportional to 304,480.65, 426,972.75 and 304,480.65

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Solution

The fourth proportional to 304,480.65, 426,972.75 and 304,480.65 is: 426,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,480.65 : 426,972.75 = 304,480.65 : x
  2. Step 2: Convert to fraction form
    304,480.65/426,972.75 = 304,480.65/x
  3. Step 3: Cross multiply
    304,480.65x = 426,972.75 × 304,480.65
  4. Step 4: Simplify right side
    304,480.65x = 130,004,940,452.29
  5. Step 5: Solve for x
    x = 130,004,940,452.29/304,480.65
  6. Step 6: Final answer
    x = 426,972.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.