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Finding the Fourth Proportional to 362,222.40, 543,333.60 and 272,992.80

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Solution

The fourth proportional to 362,222.40, 543,333.60 and 272,992.80 is: 409,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,222.40 : 543,333.60 = 272,992.80 : x
  2. Step 2: Convert to fraction form
    362,222.40/543,333.60 = 272,992.80/x
  3. Step 3: Cross multiply
    362,222.40x = 543,333.60 × 272,992.80
  4. Step 4: Simplify right side
    362,222.40x = 148,326,160,798.08
  5. Step 5: Solve for x
    x = 148,326,160,798.08/362,222.40
  6. Step 6: Final answer
    x = 409,489.20

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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.