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Finding the Fourth Proportional to 443,594.28, 612,205.20 and 262,364.88

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Solution

The fourth proportional to 443,594.28, 612,205.20 and 262,364.88 is: 362,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,594.28 : 612,205.20 = 262,364.88 : x
  2. Step 2: Convert to fraction form
    443,594.28/612,205.20 = 262,364.88/x
  3. Step 3: Cross multiply
    443,594.28x = 612,205.20 × 262,364.88
  4. Step 4: Simplify right side
    443,594.28x = 160,621,143,833.38
  5. Step 5: Solve for x
    x = 160,621,143,833.38/443,594.28
  6. Step 6: Final answer
    x = 362,090.21

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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.