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Finding the Fourth Proportional to 328,898.48, 453,879.72 and 185,659.76

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Solution

The fourth proportional to 328,898.48, 453,879.72 and 185,659.76 is: 256,210.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,898.48 : 453,879.72 = 185,659.76 : x
  2. Step 2: Convert to fraction form
    328,898.48/453,879.72 = 185,659.76/x
  3. Step 3: Cross multiply
    328,898.48x = 453,879.72 × 185,659.76
  4. Step 4: Simplify right side
    328,898.48x = 84,267,199,884.07
  5. Step 5: Solve for x
    x = 84,267,199,884.07/328,898.48
  6. Step 6: Final answer
    x = 256,210.37

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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.