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Finding the Fourth Proportional to 617,503.68, 926,125.92 and 174,168

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Solution

The fourth proportional to 617,503.68, 926,125.92 and 174,168 is: 261,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,503.68 : 926,125.92 = 174,168 : x
  2. Step 2: Convert to fraction form
    617,503.68/926,125.92 = 174,168/x
  3. Step 3: Cross multiply
    617,503.68x = 926,125.92 × 174,168
  4. Step 4: Simplify right side
    617,503.68x = 161,301,499,234.56
  5. Step 5: Solve for x
    x = 161,301,499,234.56/617,503.68
  6. Step 6: Final answer
    x = 261,215.45

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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.