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Finding the Fourth Proportional to 328,555.90, 492,759.50 and 150,892.12

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Solution

The fourth proportional to 328,555.90, 492,759.50 and 150,892.12 is: 226,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,555.90 : 492,759.50 = 150,892.12 : x
  2. Step 2: Convert to fraction form
    328,555.90/492,759.50 = 150,892.12/x
  3. Step 3: Cross multiply
    328,555.90x = 492,759.50 × 150,892.12
  4. Step 4: Simplify right side
    328,555.90x = 74,353,525,605.14
  5. Step 5: Solve for x
    x = 74,353,525,605.14/328,555.90
  6. Step 6: Final answer
    x = 226,304.03

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1.5x scale

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.