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Finding the Fourth Proportional to 275,659.02, 380,450.59 and 168,291.29

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Solution

The fourth proportional to 275,659.02, 380,450.59 and 168,291.29 is: 232,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,659.02 : 380,450.59 = 168,291.29 : x
  2. Step 2: Convert to fraction form
    275,659.02/380,450.59 = 168,291.29/x
  3. Step 3: Cross multiply
    275,659.02x = 380,450.59 × 168,291.29
  4. Step 4: Simplify right side
    275,659.02x = 64,026,521,102.76
  5. Step 5: Solve for x
    x = 64,026,521,102.76/275,659.02
  6. Step 6: Final answer
    x = 232,267.10

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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.