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Finding the Fourth Proportional to 662,660.48, 914,447.48 and 404,968.56

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Solution

The fourth proportional to 662,660.48, 914,447.48 and 404,968.56 is: 558,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,660.48 : 914,447.48 = 404,968.56 : x
  2. Step 2: Convert to fraction form
    662,660.48/914,447.48 = 404,968.56/x
  3. Step 3: Cross multiply
    662,660.48x = 914,447.48 × 404,968.56
  4. Step 4: Simplify right side
    662,660.48x = 370,322,477,146.39
  5. Step 5: Solve for x
    x = 370,322,477,146.39/662,660.48
  6. Step 6: Final answer
    x = 558,841.96

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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.