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Finding the Fourth Proportional to 305,613.74, 458,423.76 and 92,383.40

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Solution

The fourth proportional to 305,613.74, 458,423.76 and 92,383.40 is: 138,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,613.74 : 458,423.76 = 92,383.40 : x
  2. Step 2: Convert to fraction form
    305,613.74/458,423.76 = 92,383.40/x
  3. Step 3: Cross multiply
    305,613.74x = 458,423.76 × 92,383.40
  4. Step 4: Simplify right side
    305,613.74x = 42,350,745,589.58
  5. Step 5: Solve for x
    x = 42,350,745,589.58/305,613.74
  6. Step 6: Final answer
    x = 138,576.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.