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Finding the Fourth Proportional to 243,593.96, 335,853.78 and 186,303.56

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Solution

The fourth proportional to 243,593.96, 335,853.78 and 186,303.56 is: 256,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,593.96 : 335,853.78 = 186,303.56 : x
  2. Step 2: Convert to fraction form
    243,593.96/335,853.78 = 186,303.56/x
  3. Step 3: Cross multiply
    243,593.96x = 335,853.78 × 186,303.56
  4. Step 4: Simplify right side
    243,593.96x = 62,570,754,853.46
  5. Step 5: Solve for x
    x = 62,570,754,853.46/243,593.96
  6. Step 6: Final answer
    x = 256,864.97

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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.