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Finding the Fourth Proportional to 617,810.01, 926,687.90 and 168,529.38

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Solution

The fourth proportional to 617,810.01, 926,687.90 and 168,529.38 is: 252,786.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,810.01 : 926,687.90 = 168,529.38 : x
  2. Step 2: Convert to fraction form
    617,810.01/926,687.90 = 168,529.38/x
  3. Step 3: Cross multiply
    617,810.01x = 926,687.90 × 168,529.38
  4. Step 4: Simplify right side
    617,810.01x = 156,174,137,240.50
  5. Step 5: Solve for x
    x = 156,174,137,240.50/617,810.01
  6. Step 6: Final answer
    x = 252,786.67

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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.