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Finding the Fourth Proportional to 447,681.03, 617,704.04 and 266,357.55

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Solution

The fourth proportional to 447,681.03, 617,704.04 and 266,357.55 is: 367,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,681.03 : 617,704.04 = 266,357.55 : x
  2. Step 2: Convert to fraction form
    447,681.03/617,704.04 = 266,357.55/x
  3. Step 3: Cross multiply
    447,681.03x = 617,704.04 × 266,357.55
  4. Step 4: Simplify right side
    447,681.03x = 164,530,130,299.19
  5. Step 5: Solve for x
    x = 164,530,130,299.19/447,681.03
  6. Step 6: Final answer
    x = 367,516.42

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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.