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Finding the Fourth Proportional to 366,956.65, 512,689.55 and 366,956.65

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Solution

The fourth proportional to 366,956.65, 512,689.55 and 366,956.65 is: 512,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,956.65 : 512,689.55 = 366,956.65 : x
  2. Step 2: Convert to fraction form
    366,956.65/512,689.55 = 366,956.65/x
  3. Step 3: Cross multiply
    366,956.65x = 512,689.55 × 366,956.65
  4. Step 4: Simplify right side
    366,956.65x = 188,134,839,758.01
  5. Step 5: Solve for x
    x = 188,134,839,758.01/366,956.65
  6. Step 6: Final answer
    x = 512,689.55

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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.