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Finding the Fourth Proportional to 360,649.33, 540,622.45 and 150,347.41

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Solution

The fourth proportional to 360,649.33, 540,622.45 and 150,347.41 is: 225,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,649.33 : 540,622.45 = 150,347.41 : x
  2. Step 2: Convert to fraction form
    360,649.33/540,622.45 = 150,347.41/x
  3. Step 3: Cross multiply
    360,649.33x = 540,622.45 × 150,347.41
  4. Step 4: Simplify right side
    360,649.33x = 81,281,185,145.35
  5. Step 5: Solve for x
    x = 81,281,185,145.35/360,649.33
  6. Step 6: Final answer
    x = 225,374.56

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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.