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Finding the Fourth Proportional to 432,771.04, 648,188.56 and 250,178.12

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Solution

The fourth proportional to 432,771.04, 648,188.56 and 250,178.12 is: 374,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,771.04 : 648,188.56 = 250,178.12 : x
  2. Step 2: Convert to fraction form
    432,771.04/648,188.56 = 250,178.12/x
  3. Step 3: Cross multiply
    432,771.04x = 648,188.56 × 250,178.12
  4. Step 4: Simplify right side
    432,771.04x = 162,162,595,346.31
  5. Step 5: Solve for x
    x = 162,162,595,346.31/432,771.04
  6. Step 6: Final answer
    x = 374,707.59

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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.