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Finding the Fourth Proportional to 836,548.76, 1,254,435.64 and 676,230.73

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Solution

The fourth proportional to 836,548.76, 1,254,435.64 and 676,230.73 is: 1,014,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,548.76 : 1,254,435.64 = 676,230.73 : x
  2. Step 2: Convert to fraction form
    836,548.76/1,254,435.64 = 676,230.73/x
  3. Step 3: Cross multiply
    836,548.76x = 1,254,435.64 × 676,230.73
  4. Step 4: Simplify right side
    836,548.76x = 848,287,923,748.55
  5. Step 5: Solve for x
    x = 848,287,923,748.55/836,548.76
  6. Step 6: Final answer
    x = 1,014,032.85

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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.