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Finding the Fourth Proportional to 245,246.20, 367,674.90 and 134,438.20

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Solution

The fourth proportional to 245,246.20, 367,674.90 and 134,438.20 is: 201,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,246.20 : 367,674.90 = 134,438.20 : x
  2. Step 2: Convert to fraction form
    245,246.20/367,674.90 = 134,438.20/x
  3. Step 3: Cross multiply
    245,246.20x = 367,674.90 × 134,438.20
  4. Step 4: Simplify right side
    245,246.20x = 49,429,551,741.18
  5. Step 5: Solve for x
    x = 49,429,551,741.18/245,246.20
  6. Step 6: Final answer
    x = 201,550.73

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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.