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Finding the Fourth Proportional to 565,523.55, 848,285.33 and 325,390.95

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Solution

The fourth proportional to 565,523.55, 848,285.33 and 325,390.95 is: 488,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,523.55 : 848,285.33 = 325,390.95 : x
  2. Step 2: Convert to fraction form
    565,523.55/848,285.33 = 325,390.95/x
  3. Step 3: Cross multiply
    565,523.55x = 848,285.33 × 325,390.95
  4. Step 4: Simplify right side
    565,523.55x = 276,024,367,772.81
  5. Step 5: Solve for x
    x = 276,024,367,772.81/565,523.55
  6. Step 6: Final answer
    x = 488,086.43

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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.