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Finding the Fourth Proportional to 536,809.40, 740,799.36 and 295,107.56

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Solution

The fourth proportional to 536,809.40, 740,799.36 and 295,107.56 is: 407,249.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,809.40 : 740,799.36 = 295,107.56 : x
  2. Step 2: Convert to fraction form
    536,809.40/740,799.36 = 295,107.56/x
  3. Step 3: Cross multiply
    536,809.40x = 740,799.36 × 295,107.56
  4. Step 4: Simplify right side
    536,809.40x = 218,615,491,579.16
  5. Step 5: Solve for x
    x = 218,615,491,579.16/536,809.40
  6. Step 6: Final answer
    x = 407,249.75

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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.