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Finding the Fourth Proportional to 565,086.40, 848,285.70 and 325,391.20

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Solution

The fourth proportional to 565,086.40, 848,285.70 and 325,391.20 is: 488,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,086.40 : 848,285.70 = 325,391.20 : x
  2. Step 2: Convert to fraction form
    565,086.40/848,285.70 = 325,391.20/x
  3. Step 3: Cross multiply
    565,086.40x = 848,285.70 × 325,391.20
  4. Step 4: Simplify right side
    565,086.40x = 276,024,701,865.84
  5. Step 5: Solve for x
    x = 276,024,701,865.84/565,086.40
  6. Step 6: Final answer
    x = 488,464.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.