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Finding the Fourth Proportional to 469,333.70, 647,676.54 and 265,424.66

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Solution

The fourth proportional to 469,333.70, 647,676.54 and 265,424.66 is: 366,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,333.70 : 647,676.54 = 265,424.66 : x
  2. Step 2: Convert to fraction form
    469,333.70/647,676.54 = 265,424.66/x
  3. Step 3: Cross multiply
    469,333.70x = 647,676.54 × 265,424.66
  4. Step 4: Simplify right side
    469,333.70x = 171,909,325,419.48
  5. Step 5: Solve for x
    x = 171,909,325,419.48/469,333.70
  6. Step 6: Final answer
    x = 366,283.79

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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.