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Finding the Fourth Proportional to 465,462.39, 642,338.70 and 264,258.39

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Solution

The fourth proportional to 465,462.39, 642,338.70 and 264,258.39 is: 364,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,462.39 : 642,338.70 = 264,258.39 : x
  2. Step 2: Convert to fraction form
    465,462.39/642,338.70 = 264,258.39/x
  3. Step 3: Cross multiply
    465,462.39x = 642,338.70 × 264,258.39
  4. Step 4: Simplify right side
    465,462.39x = 169,743,390,696.69
  5. Step 5: Solve for x
    x = 169,743,390,696.69/465,462.39
  6. Step 6: Final answer
    x = 364,676.92

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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.