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Finding the Fourth Proportional to 705,625.60, 973,759.44 and 383,333.12

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Solution

The fourth proportional to 705,625.60, 973,759.44 and 383,333.12 is: 528,997.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,625.60 : 973,759.44 = 383,333.12 : x
  2. Step 2: Convert to fraction form
    705,625.60/973,759.44 = 383,333.12/x
  3. Step 3: Cross multiply
    705,625.60x = 973,759.44 × 383,333.12
  4. Step 4: Simplify right side
    705,625.60x = 373,274,244,264.65
  5. Step 5: Solve for x
    x = 373,274,244,264.65/705,625.60
  6. Step 6: Final answer
    x = 528,997.59

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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.