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Finding the Fourth Proportional to 308,644.19, 463,010.65 and 95,428.73

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Solution

The fourth proportional to 308,644.19, 463,010.65 and 95,428.73 is: 143,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,644.19 : 463,010.65 = 95,428.73 : x
  2. Step 2: Convert to fraction form
    308,644.19/463,010.65 = 95,428.73/x
  3. Step 3: Cross multiply
    308,644.19x = 463,010.65 × 95,428.73
  4. Step 4: Simplify right side
    308,644.19x = 44,184,515,752.35
  5. Step 5: Solve for x
    x = 44,184,515,752.35/308,644.19
  6. Step 6: Final answer
    x = 143,156.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.