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Finding the Fourth Proportional to 540,226.22, 810,339.94 and 140,866.66

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Solution

The fourth proportional to 540,226.22, 810,339.94 and 140,866.66 is: 211,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,226.22 : 810,339.94 = 140,866.66 : x
  2. Step 2: Convert to fraction form
    540,226.22/810,339.94 = 140,866.66/x
  3. Step 3: Cross multiply
    540,226.22x = 810,339.94 × 140,866.66
  4. Step 4: Simplify right side
    540,226.22x = 114,149,880,812.40
  5. Step 5: Solve for x
    x = 114,149,880,812.40/540,226.22
  6. Step 6: Final answer
    x = 211,300.15

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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.