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Finding the Fourth Proportional to 452,246.40, 677,923.20 and 252,662.40

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Solution

The fourth proportional to 452,246.40, 677,923.20 and 252,662.40 is: 378,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,246.40 : 677,923.20 = 252,662.40 : x
  2. Step 2: Convert to fraction form
    452,246.40/677,923.20 = 252,662.40/x
  3. Step 3: Cross multiply
    452,246.40x = 677,923.20 × 252,662.40
  4. Step 4: Simplify right side
    452,246.40x = 171,285,702,727.68
  5. Step 5: Solve for x
    x = 171,285,702,727.68/452,246.40
  6. Step 6: Final answer
    x = 378,744.20

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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.