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Finding the Fourth Proportional to 328,300.85, 453,062.09 and 185,060.86

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Solution

The fourth proportional to 328,300.85, 453,062.09 and 185,060.86 is: 255,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,300.85 : 453,062.09 = 185,060.86 : x
  2. Step 2: Convert to fraction form
    328,300.85/453,062.09 = 185,060.86/x
  3. Step 3: Cross multiply
    328,300.85x = 453,062.09 × 185,060.86
  4. Step 4: Simplify right side
    328,300.85x = 83,844,059,338.79
  5. Step 5: Solve for x
    x = 83,844,059,338.79/328,300.85
  6. Step 6: Final answer
    x = 255,387.88

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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.