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Finding the Fourth Proportional to 566,653.60, 848,012.10 and 389,506.60

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Solution

The fourth proportional to 566,653.60, 848,012.10 and 389,506.60 is: 582,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,653.60 : 848,012.10 = 389,506.60 : x
  2. Step 2: Convert to fraction form
    566,653.60/848,012.10 = 389,506.60/x
  3. Step 3: Cross multiply
    566,653.60x = 848,012.10 × 389,506.60
  4. Step 4: Simplify right side
    566,653.60x = 330,306,309,829.86
  5. Step 5: Solve for x
    x = 330,306,309,829.86/566,653.60
  6. Step 6: Final answer
    x = 582,906.93

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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.