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Finding the Fourth Proportional to 434,773.39, 599,987.29 and 243,786.79

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Solution

The fourth proportional to 434,773.39, 599,987.29 and 243,786.79 is: 336,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,773.39 : 599,987.29 = 243,786.79 : x
  2. Step 2: Convert to fraction form
    434,773.39/599,987.29 = 243,786.79/x
  3. Step 3: Cross multiply
    434,773.39x = 599,987.29 × 243,786.79
  4. Step 4: Simplify right side
    434,773.39x = 146,268,975,469.90
  5. Step 5: Solve for x
    x = 146,268,975,469.90/434,773.39
  6. Step 6: Final answer
    x = 336,425.78

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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.