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Finding the Fourth Proportional to 260,554.64, 359,279.86 and 169,742.20

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Solution

The fourth proportional to 260,554.64, 359,279.86 and 169,742.20 is: 234,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,554.64 : 359,279.86 = 169,742.20 : x
  2. Step 2: Convert to fraction form
    260,554.64/359,279.86 = 169,742.20/x
  3. Step 3: Cross multiply
    260,554.64x = 359,279.86 × 169,742.20
  4. Step 4: Simplify right side
    260,554.64x = 60,984,953,852.09
  5. Step 5: Solve for x
    x = 60,984,953,852.09/260,554.64
  6. Step 6: Final answer
    x = 234,058.21

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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.