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Finding the Fourth Proportional to 362,224.60, 543,336.90 and 356,003.80

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Solution

The fourth proportional to 362,224.60, 543,336.90 and 356,003.80 is: 534,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,224.60 : 543,336.90 = 356,003.80 : x
  2. Step 2: Convert to fraction form
    362,224.60/543,336.90 = 356,003.80/x
  3. Step 3: Cross multiply
    362,224.60x = 543,336.90 × 356,003.80
  4. Step 4: Simplify right side
    362,224.60x = 193,430,001,080.22
  5. Step 5: Solve for x
    x = 193,430,001,080.22/362,224.60
  6. Step 6: Final answer
    x = 534,005.70

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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.