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Finding the Fourth Proportional to 328,984.96, 454,020.24 and 185,692.72

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Solution

The fourth proportional to 328,984.96, 454,020.24 and 185,692.72 is: 256,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,984.96 : 454,020.24 = 185,692.72 : x
  2. Step 2: Convert to fraction form
    328,984.96/454,020.24 = 185,692.72/x
  3. Step 3: Cross multiply
    328,984.96x = 454,020.24 × 185,692.72
  4. Step 4: Simplify right side
    328,984.96x = 84,308,253,300.65
  5. Step 5: Solve for x
    x = 84,308,253,300.65/328,984.96
  6. Step 6: Final answer
    x = 256,267.80

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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.