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Finding the Fourth Proportional to 636,303.38, 954,433.20 and 162,992.84

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Solution

The fourth proportional to 636,303.38, 954,433.20 and 162,992.84 is: 244,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,303.38 : 954,433.20 = 162,992.84 : x
  2. Step 2: Convert to fraction form
    636,303.38/954,433.20 = 162,992.84/x
  3. Step 3: Cross multiply
    636,303.38x = 954,433.20 × 162,992.84
  4. Step 4: Simplify right side
    636,303.38x = 155,565,777,858.29
  5. Step 5: Solve for x
    x = 155,565,777,858.29/636,303.38
  6. Step 6: Final answer
    x = 244,483.66

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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.