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Finding the Fourth Proportional to 450,794.15, 676,035.51 and 130,859.28

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Solution

The fourth proportional to 450,794.15, 676,035.51 and 130,859.28 is: 196,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,794.15 : 676,035.51 = 130,859.28 : x
  2. Step 2: Convert to fraction form
    450,794.15/676,035.51 = 130,859.28/x
  3. Step 3: Cross multiply
    450,794.15x = 676,035.51 × 130,859.28
  4. Step 4: Simplify right side
    450,794.15x = 88,465,520,093.03
  5. Step 5: Solve for x
    x = 88,465,520,093.03/450,794.15
  6. Step 6: Final answer
    x = 196,243.72

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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.