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Finding the Fourth Proportional to 617,658.44, 926,460.36 and 168,379.34

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Solution

The fourth proportional to 617,658.44, 926,460.36 and 168,379.34 is: 252,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,658.44 : 926,460.36 = 168,379.34 : x
  2. Step 2: Convert to fraction form
    617,658.44/926,460.36 = 168,379.34/x
  3. Step 3: Cross multiply
    617,658.44x = 926,460.36 × 168,379.34
  4. Step 4: Simplify right side
    617,658.44x = 155,996,779,320.66
  5. Step 5: Solve for x
    x = 155,996,779,320.66/617,658.44
  6. Step 6: Final answer
    x = 252,561.56

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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.