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Finding the Fourth Proportional to 560,675.56, 773,720.04 and 306,031

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Solution

The fourth proportional to 560,675.56, 773,720.04 and 306,031 is: 422,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,675.56 : 773,720.04 = 306,031 : x
  2. Step 2: Convert to fraction form
    560,675.56/773,720.04 = 306,031/x
  3. Step 3: Cross multiply
    560,675.56x = 773,720.04 × 306,031
  4. Step 4: Simplify right side
    560,675.56x = 236,782,317,561.24
  5. Step 5: Solve for x
    x = 236,782,317,561.24/560,675.56
  6. Step 6: Final answer
    x = 422,316.10

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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.