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Finding the Fourth Proportional to 350,374.16, 525,564.12 and 150,680.72

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Solution

The fourth proportional to 350,374.16, 525,564.12 and 150,680.72 is: 226,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,374.16 : 525,564.12 = 150,680.72 : x
  2. Step 2: Convert to fraction form
    350,374.16/525,564.12 = 150,680.72/x
  3. Step 3: Cross multiply
    350,374.16x = 525,564.12 × 150,680.72
  4. Step 4: Simplify right side
    350,374.16x = 79,192,380,007.77
  5. Step 5: Solve for x
    x = 79,192,380,007.77/350,374.16
  6. Step 6: Final answer
    x = 226,022.32

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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.