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Finding the Fourth Proportional to 560,181.16, 773,049.54 and 305,531.56

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Solution

The fourth proportional to 560,181.16, 773,049.54 and 305,531.56 is: 421,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,181.16 : 773,049.54 = 305,531.56 : x
  2. Step 2: Convert to fraction form
    560,181.16/773,049.54 = 305,531.56/x
  3. Step 3: Cross multiply
    560,181.16x = 773,049.54 × 305,531.56
  4. Step 4: Simplify right side
    560,181.16x = 236,191,031,913.48
  5. Step 5: Solve for x
    x = 236,191,031,913.48/560,181.16
  6. Step 6: Final answer
    x = 421,633.30

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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.