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Finding the Fourth Proportional to 260,954.49, 360,111.06 and 153,531.45

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Solution

The fourth proportional to 260,954.49, 360,111.06 and 153,531.45 is: 211,869.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,954.49 : 360,111.06 = 153,531.45 : x
  2. Step 2: Convert to fraction form
    260,954.49/360,111.06 = 153,531.45/x
  3. Step 3: Cross multiply
    260,954.49x = 360,111.06 × 153,531.45
  4. Step 4: Simplify right side
    260,954.49x = 55,288,373,202.84
  5. Step 5: Solve for x
    x = 55,288,373,202.84/260,954.49
  6. Step 6: Final answer
    x = 211,869.79

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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.