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Finding the Fourth Proportional to 310,483.39, 465,711.10 and 108,222.12

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Solution

The fourth proportional to 310,483.39, 465,711.10 and 108,222.12 is: 162,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,483.39 : 465,711.10 = 108,222.12 : x
  2. Step 2: Convert to fraction form
    310,483.39/465,711.10 = 108,222.12/x
  3. Step 3: Cross multiply
    310,483.39x = 465,711.10 × 108,222.12
  4. Step 4: Simplify right side
    310,483.39x = 50,400,240,220.98
  5. Step 5: Solve for x
    x = 50,400,240,220.98/310,483.39
  6. Step 6: Final answer
    x = 162,328.30

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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.