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Finding the Fourth Proportional to 560,757.06, 773,832.69 and 306,112.50

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Solution

The fourth proportional to 560,757.06, 773,832.69 and 306,112.50 is: 422,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,757.06 : 773,832.69 = 306,112.50 : x
  2. Step 2: Convert to fraction form
    560,757.06/773,832.69 = 306,112.50/x
  3. Step 3: Cross multiply
    560,757.06x = 773,832.69 × 306,112.50
  4. Step 4: Simplify right side
    560,757.06x = 236,879,859,317.63
  5. Step 5: Solve for x
    x = 236,879,859,317.63/560,757.06
  6. Step 6: Final answer
    x = 422,428.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.