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Finding the Fourth Proportional to 322,374.60, 483,446.70 and 144,966.60

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Solution

The fourth proportional to 322,374.60, 483,446.70 and 144,966.60 is: 217,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,374.60 : 483,446.70 = 144,966.60 : x
  2. Step 2: Convert to fraction form
    322,374.60/483,446.70 = 144,966.60/x
  3. Step 3: Cross multiply
    322,374.60x = 483,446.70 × 144,966.60
  4. Step 4: Simplify right side
    322,374.60x = 70,083,624,380.22
  5. Step 5: Solve for x
    x = 70,083,624,380.22/322,374.60
  6. Step 6: Final answer
    x = 217,398.10

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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.