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Finding the Fourth Proportional to 534,495.81, 737,324.57 and 330,481.52

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Solution

The fourth proportional to 534,495.81, 737,324.57 and 330,481.52 is: 455,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,495.81 : 737,324.57 = 330,481.52 : x
  2. Step 2: Convert to fraction form
    534,495.81/737,324.57 = 330,481.52/x
  3. Step 3: Cross multiply
    534,495.81x = 737,324.57 × 330,481.52
  4. Step 4: Simplify right side
    534,495.81x = 243,672,144,531.49
  5. Step 5: Solve for x
    x = 243,672,144,531.49/534,495.81
  6. Step 6: Final answer
    x = 455,891.59

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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.