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Finding the Fourth Proportional to 328,524.31, 492,847.28 and 103,941.28

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Solution

The fourth proportional to 328,524.31, 492,847.28 and 103,941.28 is: 155,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,524.31 : 492,847.28 = 103,941.28 : x
  2. Step 2: Convert to fraction form
    328,524.31/492,847.28 = 103,941.28/x
  3. Step 3: Cross multiply
    328,524.31x = 492,847.28 × 103,941.28
  4. Step 4: Simplify right side
    328,524.31x = 51,227,175,426.25
  5. Step 5: Solve for x
    x = 51,227,175,426.25/328,524.31
  6. Step 6: Final answer
    x = 155,931.16

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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.