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Finding the Fourth Proportional to 327,767.81, 452,446.53 and 256,170.89

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Solution

The fourth proportional to 327,767.81, 452,446.53 and 256,170.89 is: 353,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,767.81 : 452,446.53 = 256,170.89 : x
  2. Step 2: Convert to fraction form
    327,767.81/452,446.53 = 256,170.89/x
  3. Step 3: Cross multiply
    327,767.81x = 452,446.53 × 256,170.89
  4. Step 4: Simplify right side
    327,767.81x = 115,903,630,437.99
  5. Step 5: Solve for x
    x = 115,903,630,437.99/327,767.81
  6. Step 6: Final answer
    x = 353,615.06

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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.