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Finding the Fourth Proportional to 350,061.20, 525,149.40 and 150,477.20

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Solution

The fourth proportional to 350,061.20, 525,149.40 and 150,477.20 is: 225,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,061.20 : 525,149.40 = 150,477.20 : x
  2. Step 2: Convert to fraction form
    350,061.20/525,149.40 = 150,477.20/x
  3. Step 3: Cross multiply
    350,061.20x = 525,149.40 × 150,477.20
  4. Step 4: Simplify right side
    350,061.20x = 79,023,011,293.68
  5. Step 5: Solve for x
    x = 79,023,011,293.68/350,061.20
  6. Step 6: Final answer
    x = 225,740.56

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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.