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Finding the Fourth Proportional to 1,789,806.62, 2,684,962.07 and 574,975.86

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Solution

The fourth proportional to 1,789,806.62, 2,684,962.07 and 574,975.86 is: 862,544.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,806.62 : 2,684,962.07 = 574,975.86 : x
  2. Step 2: Convert to fraction form
    1,789,806.62/2,684,962.07 = 574,975.86/x
  3. Step 3: Cross multiply
    1,789,806.62x = 2,684,962.07 × 574,975.86
  4. Step 4: Simplify right side
    1,789,806.62x = 1,543,788,375,265.63
  5. Step 5: Solve for x
    x = 1,543,788,375,265.63/1,789,806.62
  6. Step 6: Final answer
    x = 862,544.79

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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.