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Finding the Fourth Proportional to 565,110.90, 848,322.45 and 325,415.70

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Solution

The fourth proportional to 565,110.90, 848,322.45 and 325,415.70 is: 488,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,110.90 : 848,322.45 = 325,415.70 : x
  2. Step 2: Convert to fraction form
    565,110.90/848,322.45 = 325,415.70/x
  3. Step 3: Cross multiply
    565,110.90x = 848,322.45 × 325,415.70
  4. Step 4: Simplify right side
    565,110.90x = 276,057,443,892.47
  5. Step 5: Solve for x
    x = 276,057,443,892.47/565,110.90
  6. Step 6: Final answer
    x = 488,501.36

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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.