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Finding the Fourth Proportional to 260,718.48, 359,796.60 and 170,132.40

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Solution

The fourth proportional to 260,718.48, 359,796.60 and 170,132.40 is: 234,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,718.48 : 359,796.60 = 170,132.40 : x
  2. Step 2: Convert to fraction form
    260,718.48/359,796.60 = 170,132.40/x
  3. Step 3: Cross multiply
    260,718.48x = 359,796.60 × 170,132.40
  4. Step 4: Simplify right side
    260,718.48x = 61,213,059,069.84
  5. Step 5: Solve for x
    x = 61,213,059,069.84/260,718.48
  6. Step 6: Final answer
    x = 234,786.04

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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.