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Finding the Fourth Proportional to 684,656.44, 944,507.52 and 443,016.96

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Solution

The fourth proportional to 684,656.44, 944,507.52 and 443,016.96 is: 611,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,656.44 : 944,507.52 = 443,016.96 : x
  2. Step 2: Convert to fraction form
    684,656.44/944,507.52 = 443,016.96/x
  3. Step 3: Cross multiply
    684,656.44x = 944,507.52 × 443,016.96
  4. Step 4: Simplify right side
    684,656.44x = 418,432,850,207.54
  5. Step 5: Solve for x
    x = 418,432,850,207.54/684,656.44
  6. Step 6: Final answer
    x = 611,157.40

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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.