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Finding the Fourth Proportional to 617,503.56, 926,125.72 and 174,167.88

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Solution

The fourth proportional to 617,503.56, 926,125.72 and 174,167.88 is: 261,215.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,503.56 : 926,125.72 = 174,167.88 : x
  2. Step 2: Convert to fraction form
    617,503.56/926,125.72 = 174,167.88/x
  3. Step 3: Cross multiply
    617,503.56x = 926,125.72 × 174,167.88
  4. Step 4: Simplify right side
    617,503.56x = 161,301,353,265.87
  5. Step 5: Solve for x
    x = 161,301,353,265.87/617,503.56
  6. Step 6: Final answer
    x = 261,215.26

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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.