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Finding the Fourth Proportional to 443,825.64, 612,483.46 and 252,836.20

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Solution

The fourth proportional to 443,825.64, 612,483.46 and 252,836.20 is: 348,916.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,825.64 : 612,483.46 = 252,836.20 : x
  2. Step 2: Convert to fraction form
    443,825.64/612,483.46 = 252,836.20/x
  3. Step 3: Cross multiply
    443,825.64x = 612,483.46 × 252,836.20
  4. Step 4: Simplify right side
    443,825.64x = 154,857,990,589.25
  5. Step 5: Solve for x
    x = 154,857,990,589.25/443,825.64
  6. Step 6: Final answer
    x = 348,916.28

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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.