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Finding the Fourth Proportional to 605,878.32, 836,148.60 and 333,945.84

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Solution

The fourth proportional to 605,878.32, 836,148.60 and 333,945.84 is: 460,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,878.32 : 836,148.60 = 333,945.84 : x
  2. Step 2: Convert to fraction form
    605,878.32/836,148.60 = 333,945.84/x
  3. Step 3: Cross multiply
    605,878.32x = 836,148.60 × 333,945.84
  4. Step 4: Simplify right side
    605,878.32x = 279,228,346,591.82
  5. Step 5: Solve for x
    x = 279,228,346,591.82/605,878.32
  6. Step 6: Final answer
    x = 460,865.39

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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.