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Finding the Fourth Proportional to 705,794.54, 973,994.49 and 383,505.75

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Solution

The fourth proportional to 705,794.54, 973,994.49 and 383,505.75 is: 529,236.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,794.54 : 973,994.49 = 383,505.75 : x
  2. Step 2: Convert to fraction form
    705,794.54/973,994.49 = 383,505.75/x
  3. Step 3: Cross multiply
    705,794.54x = 973,994.49 × 383,505.75
  4. Step 4: Simplify right side
    705,794.54x = 373,532,487,383.32
  5. Step 5: Solve for x
    x = 373,532,487,383.32/705,794.54
  6. Step 6: Final answer
    x = 529,236.87

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Double scale
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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.