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Finding the Fourth Proportional to 344,586.30, 515,842.65 and 303,114.30

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Solution

The fourth proportional to 344,586.30, 515,842.65 and 303,114.30 is: 453,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,586.30 : 515,842.65 = 303,114.30 : x
  2. Step 2: Convert to fraction form
    344,586.30/515,842.65 = 303,114.30/x
  3. Step 3: Cross multiply
    344,586.30x = 515,842.65 × 303,114.30
  4. Step 4: Simplify right side
    344,586.30x = 156,359,283,764.90
  5. Step 5: Solve for x
    x = 156,359,283,764.90/344,586.30
  6. Step 6: Final answer
    x = 453,759.43

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1.5x scale

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.