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Finding the Fourth Proportional to 356,527.53, 492,007.99 and 195,386.30

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Solution

The fourth proportional to 356,527.53, 492,007.99 and 195,386.30 is: 269,633.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,527.53 : 492,007.99 = 195,386.30 : x
  2. Step 2: Convert to fraction form
    356,527.53/492,007.99 = 195,386.30/x
  3. Step 3: Cross multiply
    356,527.53x = 492,007.99 × 195,386.30
  4. Step 4: Simplify right side
    356,527.53x = 96,131,620,736.54
  5. Step 5: Solve for x
    x = 96,131,620,736.54/356,527.53
  6. Step 6: Final answer
    x = 269,633.09

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1.5x scale

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.