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Finding the Fourth Proportional to 350,444.40, 525,796.20 and 140,233.20

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Solution

The fourth proportional to 350,444.40, 525,796.20 and 140,233.20 is: 210,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,444.40 : 525,796.20 = 140,233.20 : x
  2. Step 2: Convert to fraction form
    350,444.40/525,796.20 = 140,233.20/x
  3. Step 3: Cross multiply
    350,444.40x = 525,796.20 × 140,233.20
  4. Step 4: Simplify right side
    350,444.40x = 73,734,083,673.84
  5. Step 5: Solve for x
    x = 73,734,083,673.84/350,444.40
  6. Step 6: Final answer
    x = 210,401.66

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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.