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Finding the Fourth Proportional to 636,288.75, 954,433.13 and 193,056.75

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Solution

The fourth proportional to 636,288.75, 954,433.13 and 193,056.75 is: 289,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,288.75 : 954,433.13 = 193,056.75 : x
  2. Step 2: Convert to fraction form
    636,288.75/954,433.13 = 193,056.75/x
  3. Step 3: Cross multiply
    636,288.75x = 954,433.13 × 193,056.75
  4. Step 4: Simplify right side
    636,288.75x = 184,259,757,204.84
  5. Step 5: Solve for x
    x = 184,259,757,204.84/636,288.75
  6. Step 6: Final answer
    x = 289,585.13

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Double scale
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Similar ratio
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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.