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Finding the Fourth Proportional to 466,198.51, 643,293.41 and 262,242.54

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Solution

The fourth proportional to 466,198.51, 643,293.41 and 262,242.54 is: 361,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,198.51 : 643,293.41 = 262,242.54 : x
  2. Step 2: Convert to fraction form
    466,198.51/643,293.41 = 262,242.54/x
  3. Step 3: Cross multiply
    466,198.51x = 643,293.41 × 262,242.54
  4. Step 4: Simplify right side
    466,198.51x = 168,698,897,803.66
  5. Step 5: Solve for x
    x = 168,698,897,803.66/466,198.51
  6. Step 6: Final answer
    x = 361,860.65

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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.