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Finding the Fourth Proportional to 565,027.20, 848,923.20 and 425,059.20

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Solution

The fourth proportional to 565,027.20, 848,923.20 and 425,059.20 is: 638,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,027.20 : 848,923.20 = 425,059.20 : x
  2. Step 2: Convert to fraction form
    565,027.20/848,923.20 = 425,059.20/x
  3. Step 3: Cross multiply
    565,027.20x = 848,923.20 × 425,059.20
  4. Step 4: Simplify right side
    565,027.20x = 360,842,616,253.44
  5. Step 5: Solve for x
    x = 360,842,616,253.44/565,027.20
  6. Step 6: Final answer
    x = 638,628.75

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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.