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Finding the Fourth Proportional to 328,550.49, 492,824.66 and 79,232.49

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Solution

The fourth proportional to 328,550.49, 492,824.66 and 79,232.49 is: 118,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,550.49 : 492,824.66 = 79,232.49 : x
  2. Step 2: Convert to fraction form
    328,550.49/492,824.66 = 79,232.49/x
  3. Step 3: Cross multiply
    328,550.49x = 492,824.66 × 79,232.49
  4. Step 4: Simplify right side
    328,550.49x = 39,047,724,549.04
  5. Step 5: Solve for x
    x = 39,047,724,549.04/328,550.49
  6. Step 6: Final answer
    x = 118,848.47

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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.