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Finding the Fourth Proportional to 362,653.20, 543,425.40 and 243,884.88

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Solution

The fourth proportional to 362,653.20, 543,425.40 and 243,884.88 is: 365,454.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,653.20 : 543,425.40 = 243,884.88 : x
  2. Step 2: Convert to fraction form
    362,653.20/543,425.40 = 243,884.88/x
  3. Step 3: Cross multiply
    362,653.20x = 543,425.40 × 243,884.88
  4. Step 4: Simplify right side
    362,653.20x = 132,533,238,467.95
  5. Step 5: Solve for x
    x = 132,533,238,467.95/362,653.20
  6. Step 6: Final answer
    x = 365,454.49

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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.