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Finding the Fourth Proportional to 362,194.40, 543,291.60 and 236,223.20

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Solution

The fourth proportional to 362,194.40, 543,291.60 and 236,223.20 is: 354,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,194.40 : 543,291.60 = 236,223.20 : x
  2. Step 2: Convert to fraction form
    362,194.40/543,291.60 = 236,223.20/x
  3. Step 3: Cross multiply
    362,194.40x = 543,291.60 × 236,223.20
  4. Step 4: Simplify right side
    362,194.40x = 128,338,080,285.12
  5. Step 5: Solve for x
    x = 128,338,080,285.12/362,194.40
  6. Step 6: Final answer
    x = 354,334.80

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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.