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Finding the Fourth Proportional to 443,933.57, 612,659.60 and 250,358.60

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Solution

The fourth proportional to 443,933.57, 612,659.60 and 250,358.60 is: 345,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,933.57 : 612,659.60 = 250,358.60 : x
  2. Step 2: Convert to fraction form
    443,933.57/612,659.60 = 250,358.60/x
  3. Step 3: Cross multiply
    443,933.57x = 612,659.60 × 250,358.60
  4. Step 4: Simplify right side
    443,933.57x = 153,384,595,417.47
  5. Step 5: Solve for x
    x = 153,384,595,417.47/443,933.57
  6. Step 6: Final answer
    x = 345,512.50

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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.