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Finding the Fourth Proportional to 659,906.56, 910,673.44 and 358,100.48

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Solution

The fourth proportional to 659,906.56, 910,673.44 and 358,100.48 is: 494,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,906.56 : 910,673.44 = 358,100.48 : x
  2. Step 2: Convert to fraction form
    659,906.56/910,673.44 = 358,100.48/x
  3. Step 3: Cross multiply
    659,906.56x = 910,673.44 × 358,100.48
  4. Step 4: Simplify right side
    659,906.56x = 326,112,595,987.25
  5. Step 5: Solve for x
    x = 326,112,595,987.25/659,906.56
  6. Step 6: Final answer
    x = 494,179.96

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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.