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Finding the Fourth Proportional to 326,099.80, 455,606.60 and 326,099.80

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Solution

The fourth proportional to 326,099.80, 455,606.60 and 326,099.80 is: 455,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,099.80 : 455,606.60 = 326,099.80 : x
  2. Step 2: Convert to fraction form
    326,099.80/455,606.60 = 326,099.80/x
  3. Step 3: Cross multiply
    326,099.80x = 455,606.60 × 326,099.80
  4. Step 4: Simplify right side
    326,099.80x = 148,573,221,138.68
  5. Step 5: Solve for x
    x = 148,573,221,138.68/326,099.80
  6. Step 6: Final answer
    x = 455,606.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.