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Finding the Fourth Proportional to 560,189.16, 773,060.58 and 305,539.56

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Solution

The fourth proportional to 560,189.16, 773,060.58 and 305,539.56 is: 421,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,189.16 : 773,060.58 = 305,539.56 : x
  2. Step 2: Convert to fraction form
    560,189.16/773,060.58 = 305,539.56/x
  3. Step 3: Cross multiply
    560,189.16x = 773,060.58 × 305,539.56
  4. Step 4: Simplify right side
    560,189.16x = 236,200,589,466.55
  5. Step 5: Solve for x
    x = 236,200,589,466.55/560,189.16
  6. Step 6: Final answer
    x = 421,644.34

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1.5x scale

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.