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Finding the Fourth Proportional to 328,590.60, 453,424.31 and 190,732.96

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Solution

The fourth proportional to 328,590.60, 453,424.31 and 190,732.96 is: 263,193.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,590.60 : 453,424.31 = 190,732.96 : x
  2. Step 2: Convert to fraction form
    328,590.60/453,424.31 = 190,732.96/x
  3. Step 3: Cross multiply
    328,590.60x = 453,424.31 × 190,732.96
  4. Step 4: Simplify right side
    328,590.60x = 86,482,958,793.34
  5. Step 5: Solve for x
    x = 86,482,958,793.34/328,590.60
  6. Step 6: Final answer
    x = 263,193.65

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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.