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Finding the Fourth Proportional to 565,564.30, 848,346.45 and 325,431.70

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Solution

The fourth proportional to 565,564.30, 848,346.45 and 325,431.70 is: 488,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,564.30 : 848,346.45 = 325,431.70 : x
  2. Step 2: Convert to fraction form
    565,564.30/848,346.45 = 325,431.70/x
  3. Step 3: Cross multiply
    565,564.30x = 848,346.45 × 325,431.70
  4. Step 4: Simplify right side
    565,564.30x = 276,078,827,412.47
  5. Step 5: Solve for x
    x = 276,078,827,412.47/565,564.30
  6. Step 6: Final answer
    x = 488,147.55

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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.