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Finding the Fourth Proportional to 606,206.85, 909,331.75 and 150,800.45

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Solution

The fourth proportional to 606,206.85, 909,331.75 and 150,800.45 is: 226,206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,206.85 : 909,331.75 = 150,800.45 : x
  2. Step 2: Convert to fraction form
    606,206.85/909,331.75 = 150,800.45/x
  3. Step 3: Cross multiply
    606,206.85x = 909,331.75 × 150,800.45
  4. Step 4: Simplify right side
    606,206.85x = 137,127,638,995.62
  5. Step 5: Solve for x
    x = 137,127,638,995.62/606,206.85
  6. Step 6: Final answer
    x = 226,206.02

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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.