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Finding the Fourth Proportional to 260,507.01, 359,518.99 and 145,797.15

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Solution

The fourth proportional to 260,507.01, 359,518.99 and 145,797.15 is: 201,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,507.01 : 359,518.99 = 145,797.15 : x
  2. Step 2: Convert to fraction form
    260,507.01/359,518.99 = 145,797.15/x
  3. Step 3: Cross multiply
    260,507.01x = 359,518.99 × 145,797.15
  4. Step 4: Simplify right side
    260,507.01x = 52,416,844,112.88
  5. Step 5: Solve for x
    x = 52,416,844,112.88/260,507.01
  6. Step 6: Final answer
    x = 201,210.88

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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.