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Finding the Fourth Proportional to 555,940.49, 833,978.22 and 156,581.26

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Solution

The fourth proportional to 555,940.49, 833,978.22 and 156,581.26 is: 234,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,940.49 : 833,978.22 = 156,581.26 : x
  2. Step 2: Convert to fraction form
    555,940.49/833,978.22 = 156,581.26/x
  3. Step 3: Cross multiply
    555,940.49x = 833,978.22 × 156,581.26
  4. Step 4: Simplify right side
    555,940.49x = 130,585,362,042.86
  5. Step 5: Solve for x
    x = 130,585,362,042.86/555,940.49
  6. Step 6: Final answer
    x = 234,890.90

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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.