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Finding the Fourth Proportional to 636,452.94, 954,143.19 and 276,352.86

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Solution

The fourth proportional to 636,452.94, 954,143.19 and 276,352.86 is: 414,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,452.94 : 954,143.19 = 276,352.86 : x
  2. Step 2: Convert to fraction form
    636,452.94/954,143.19 = 276,352.86/x
  3. Step 3: Cross multiply
    636,452.94x = 954,143.19 × 276,352.86
  4. Step 4: Simplify right side
    636,452.94x = 263,680,199,406.02
  5. Step 5: Solve for x
    x = 263,680,199,406.02/636,452.94
  6. Step 6: Final answer
    x = 414,296.46

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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.