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Finding the Fourth Proportional to 439,107.56, 605,970.96 and 237,903.56

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Solution

The fourth proportional to 439,107.56, 605,970.96 and 237,903.56 is: 328,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,107.56 : 605,970.96 = 237,903.56 : x
  2. Step 2: Convert to fraction form
    439,107.56/605,970.96 = 237,903.56/x
  3. Step 3: Cross multiply
    439,107.56x = 605,970.96 × 237,903.56
  4. Step 4: Simplify right side
    439,107.56x = 144,162,648,640.62
  5. Step 5: Solve for x
    x = 144,162,648,640.62/439,107.56
  6. Step 6: Final answer
    x = 328,308.28

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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.