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Finding the Fourth Proportional to 469,277.88, 647,595 and 265,325.28

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Solution

The fourth proportional to 469,277.88, 647,595 and 265,325.28 is: 366,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,277.88 : 647,595 = 265,325.28 : x
  2. Step 2: Convert to fraction form
    469,277.88/647,595 = 265,325.28/x
  3. Step 3: Cross multiply
    469,277.88x = 647,595 × 265,325.28
  4. Step 4: Simplify right side
    469,277.88x = 171,823,324,701.60
  5. Step 5: Solve for x
    x = 171,823,324,701.60/469,277.88
  6. Step 6: Final answer
    x = 366,144.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.