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Finding the Fourth Proportional to 362,127.12, 499,795.44 and 211,224.08

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Solution

The fourth proportional to 362,127.12, 499,795.44 and 211,224.08 is: 291,524.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,127.12 : 499,795.44 = 211,224.08 : x
  2. Step 2: Convert to fraction form
    362,127.12/499,795.44 = 211,224.08/x
  3. Step 3: Cross multiply
    362,127.12x = 499,795.44 × 211,224.08
  4. Step 4: Simplify right side
    362,127.12x = 105,568,832,002.20
  5. Step 5: Solve for x
    x = 105,568,832,002.20/362,127.12
  6. Step 6: Final answer
    x = 291,524.24

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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.