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Finding the Fourth Proportional to 617,967.93, 926,203.35 and 262,234.65

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Solution

The fourth proportional to 617,967.93, 926,203.35 and 262,234.65 is: 393,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,967.93 : 926,203.35 = 262,234.65 : x
  2. Step 2: Convert to fraction form
    617,967.93/926,203.35 = 262,234.65/x
  3. Step 3: Cross multiply
    617,967.93x = 926,203.35 × 262,234.65
  4. Step 4: Simplify right side
    617,967.93x = 242,882,611,316.08
  5. Step 5: Solve for x
    x = 242,882,611,316.08/617,967.93
  6. Step 6: Final answer
    x = 393,034.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.