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Finding the Fourth Proportional to 347,274.54, 523,514.67 and 324,127.83

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Solution

The fourth proportional to 347,274.54, 523,514.67 and 324,127.83 is: 488,621.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,274.54 : 523,514.67 = 324,127.83 : x
  2. Step 2: Convert to fraction form
    347,274.54/523,514.67 = 324,127.83/x
  3. Step 3: Cross multiply
    347,274.54x = 523,514.67 × 324,127.83
  4. Step 4: Simplify right side
    347,274.54x = 169,685,673,960.27
  5. Step 5: Solve for x
    x = 169,685,673,960.27/347,274.54
  6. Step 6: Final answer
    x = 488,621.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.