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Finding the Fourth Proportional to 522,846.60, 782,301.60 and 345,699.60

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Solution

The fourth proportional to 522,846.60, 782,301.60 and 345,699.60 is: 517,247.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,846.60 : 782,301.60 = 345,699.60 : x
  2. Step 2: Convert to fraction form
    522,846.60/782,301.60 = 345,699.60/x
  3. Step 3: Cross multiply
    522,846.60x = 782,301.60 × 345,699.60
  4. Step 4: Simplify right side
    522,846.60x = 270,441,350,199.36
  5. Step 5: Solve for x
    x = 270,441,350,199.36/522,846.60
  6. Step 6: Final answer
    x = 517,247.98

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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.