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Finding the Fourth Proportional to 296,203.78, 408,751.05 and 168,920.34

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Solution

The fourth proportional to 296,203.78, 408,751.05 and 168,920.34 is: 233,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,203.78 : 408,751.05 = 168,920.34 : x
  2. Step 2: Convert to fraction form
    296,203.78/408,751.05 = 168,920.34/x
  3. Step 3: Cross multiply
    296,203.78x = 408,751.05 × 168,920.34
  4. Step 4: Simplify right side
    296,203.78x = 69,046,366,341.36
  5. Step 5: Solve for x
    x = 69,046,366,341.36/296,203.78
  6. Step 6: Final answer
    x = 233,104.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.