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Finding the Fourth Proportional to 328,537.08, 492,809.22 and 103,892.04

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Solution

The fourth proportional to 328,537.08, 492,809.22 and 103,892.04 is: 155,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,537.08 : 492,809.22 = 103,892.04 : x
  2. Step 2: Convert to fraction form
    328,537.08/492,809.22 = 103,892.04/x
  3. Step 3: Cross multiply
    328,537.08x = 492,809.22 × 103,892.04
  4. Step 4: Simplify right side
    328,537.08x = 51,198,955,196.61
  5. Step 5: Solve for x
    x = 51,198,955,196.61/328,537.08
  6. Step 6: Final answer
    x = 155,839.20

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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.