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Finding the Fourth Proportional to 243,588.96, 335,846.88 and 186,298.56

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Solution

The fourth proportional to 243,588.96, 335,846.88 and 186,298.56 is: 256,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,588.96 : 335,846.88 = 186,298.56 : x
  2. Step 2: Convert to fraction form
    243,588.96/335,846.88 = 186,298.56/x
  3. Step 3: Cross multiply
    243,588.96x = 335,846.88 × 186,298.56
  4. Step 4: Simplify right side
    243,588.96x = 62,567,790,124.49
  5. Step 5: Solve for x
    x = 62,567,790,124.49/243,588.96
  6. Step 6: Final answer
    x = 256,858.07

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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.