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Finding the Fourth Proportional to 466,662.14, 643,952.42 and 259,914.76

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Solution

The fourth proportional to 466,662.14, 643,952.42 and 259,914.76 is: 358,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,662.14 : 643,952.42 = 259,914.76 : x
  2. Step 2: Convert to fraction form
    466,662.14/643,952.42 = 259,914.76/x
  3. Step 3: Cross multiply
    466,662.14x = 643,952.42 × 259,914.76
  4. Step 4: Simplify right side
    466,662.14x = 167,372,737,735.63
  5. Step 5: Solve for x
    x = 167,372,737,735.63/466,662.14
  6. Step 6: Final answer
    x = 358,659.34

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1.5x scale

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.