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Finding the Fourth Proportional to 328,305.20, 453,064.20 and 185,052.56

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Solution

The fourth proportional to 328,305.20, 453,064.20 and 185,052.56 is: 255,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,305.20 : 453,064.20 = 185,052.56 : x
  2. Step 2: Convert to fraction form
    328,305.20/453,064.20 = 185,052.56/x
  3. Step 3: Cross multiply
    328,305.20x = 453,064.20 × 185,052.56
  4. Step 4: Simplify right side
    328,305.20x = 83,840,690,054.35
  5. Step 5: Solve for x
    x = 83,840,690,054.35/328,305.20
  6. Step 6: Final answer
    x = 255,374.24

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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.