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Finding the Fourth Proportional to 322,527.20, 483,387.60 and 164,818.40

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Solution

The fourth proportional to 322,527.20, 483,387.60 and 164,818.40 is: 247,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,527.20 : 483,387.60 = 164,818.40 : x
  2. Step 2: Convert to fraction form
    322,527.20/483,387.60 = 164,818.40/x
  3. Step 3: Cross multiply
    322,527.20x = 483,387.60 × 164,818.40
  4. Step 4: Simplify right side
    322,527.20x = 79,671,170,811.84
  5. Step 5: Solve for x
    x = 79,671,170,811.84/322,527.20
  6. Step 6: Final answer
    x = 247,021.56

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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.