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Finding the Fourth Proportional to 446,015.44, 615,350.55 and 254,892.70

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Solution

The fourth proportional to 446,015.44, 615,350.55 and 254,892.70 is: 351,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,015.44 : 615,350.55 = 254,892.70 : x
  2. Step 2: Convert to fraction form
    446,015.44/615,350.55 = 254,892.70/x
  3. Step 3: Cross multiply
    446,015.44x = 615,350.55 × 254,892.70
  4. Step 4: Simplify right side
    446,015.44x = 156,848,363,135.99
  5. Step 5: Solve for x
    x = 156,848,363,135.99/446,015.44
  6. Step 6: Final answer
    x = 351,665.77

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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.