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Finding the Fourth Proportional to 372,263.15, 558,182.85 and 254,077.67

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Solution

The fourth proportional to 372,263.15, 558,182.85 and 254,077.67 is: 380,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,263.15 : 558,182.85 = 254,077.67 : x
  2. Step 2: Convert to fraction form
    372,263.15/558,182.85 = 254,077.67/x
  3. Step 3: Cross multiply
    372,263.15x = 558,182.85 × 254,077.67
  4. Step 4: Simplify right side
    372,263.15x = 141,821,795,171.05
  5. Step 5: Solve for x
    x = 141,821,795,171.05/372,263.15
  6. Step 6: Final answer
    x = 380,971.89

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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.