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Finding the Fourth Proportional to 362,185.52, 499,847.64 and 211,331.12

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Solution

The fourth proportional to 362,185.52, 499,847.64 and 211,331.12 is: 291,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,185.52 : 499,847.64 = 211,331.12 : x
  2. Step 2: Convert to fraction form
    362,185.52/499,847.64 = 211,331.12/x
  3. Step 3: Cross multiply
    362,185.52x = 499,847.64 × 211,331.12
  4. Step 4: Simplify right side
    362,185.52x = 105,633,361,590.56
  5. Step 5: Solve for x
    x = 105,633,361,590.56/362,185.52
  6. Step 6: Final answer
    x = 291,655.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.