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Finding the Fourth Proportional to 354,371.60, 531,544.60 and 144,003.60

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Solution

The fourth proportional to 354,371.60, 531,544.60 and 144,003.60 is: 216,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,371.60 : 531,544.60 = 144,003.60 : x
  2. Step 2: Convert to fraction form
    354,371.60/531,544.60 = 144,003.60/x
  3. Step 3: Cross multiply
    354,371.60x = 531,544.60 × 144,003.60
  4. Step 4: Simplify right side
    354,371.60x = 76,544,335,960.56
  5. Step 5: Solve for x
    x = 76,544,335,960.56/354,371.60
  6. Step 6: Final answer
    x = 216,000.20

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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.