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Finding the Fourth Proportional to 322,416.60, 483,624.90 and 197,827.80

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Solution

The fourth proportional to 322,416.60, 483,624.90 and 197,827.80 is: 296,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,416.60 : 483,624.90 = 197,827.80 : x
  2. Step 2: Convert to fraction form
    322,416.60/483,624.90 = 197,827.80/x
  3. Step 3: Cross multiply
    322,416.60x = 483,624.90 × 197,827.80
  4. Step 4: Simplify right side
    322,416.60x = 95,674,449,992.22
  5. Step 5: Solve for x
    x = 95,674,449,992.22/322,416.60
  6. Step 6: Final answer
    x = 296,741.70

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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.