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Finding the Fourth Proportional to 360,573.41, 540,855.86 and 150,211.35

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Solution

The fourth proportional to 360,573.41, 540,855.86 and 150,211.35 is: 225,315.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,573.41 : 540,855.86 = 150,211.35 : x
  2. Step 2: Convert to fraction form
    360,573.41/540,855.86 = 150,211.35/x
  3. Step 3: Cross multiply
    360,573.41x = 540,855.86 × 150,211.35
  4. Step 4: Simplify right side
    360,573.41x = 81,242,688,134.95
  5. Step 5: Solve for x
    x = 81,242,688,134.95/360,573.41
  6. Step 6: Final answer
    x = 225,315.25

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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.