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Finding the Fourth Proportional to 362,223.60, 543,335.40 and 356,002.80

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Solution

The fourth proportional to 362,223.60, 543,335.40 and 356,002.80 is: 534,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,223.60 : 543,335.40 = 356,002.80 : x
  2. Step 2: Convert to fraction form
    362,223.60/543,335.40 = 356,002.80/x
  3. Step 3: Cross multiply
    362,223.60x = 543,335.40 × 356,002.80
  4. Step 4: Simplify right side
    362,223.60x = 193,428,923,739.12
  5. Step 5: Solve for x
    x = 193,428,923,739.12/362,223.60
  6. Step 6: Final answer
    x = 534,004.20

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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.