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Finding the Fourth Proportional to 628,107.60, 941,124.60 and 534,795.60

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Solution

The fourth proportional to 628,107.60, 941,124.60 and 534,795.60 is: 801,310.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,107.60 : 941,124.60 = 534,795.60 : x
  2. Step 2: Convert to fraction form
    628,107.60/941,124.60 = 534,795.60/x
  3. Step 3: Cross multiply
    628,107.60x = 941,124.60 × 534,795.60
  4. Step 4: Simplify right side
    628,107.60x = 503,309,295,131.76
  5. Step 5: Solve for x
    x = 503,309,295,131.76/628,107.60
  6. Step 6: Final answer
    x = 801,310.63

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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.