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Finding the Fourth Proportional to 327,684.78, 452,151.18 and 189,814.68

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Solution

The fourth proportional to 327,684.78, 452,151.18 and 189,814.68 is: 261,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,684.78 : 452,151.18 = 189,814.68 : x
  2. Step 2: Convert to fraction form
    327,684.78/452,151.18 = 189,814.68/x
  3. Step 3: Cross multiply
    327,684.78x = 452,151.18 × 189,814.68
  4. Step 4: Simplify right side
    327,684.78x = 85,824,931,543.32
  5. Step 5: Solve for x
    x = 85,824,931,543.32/327,684.78
  6. Step 6: Final answer
    x = 261,913.08

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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.