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Finding the Fourth Proportional to 260,965.68, 360,857.61 and 207,157.38

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Solution

The fourth proportional to 260,965.68, 360,857.61 and 207,157.38 is: 286,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,965.68 : 360,857.61 = 207,157.38 : x
  2. Step 2: Convert to fraction form
    260,965.68/360,857.61 = 207,157.38/x
  3. Step 3: Cross multiply
    260,965.68x = 360,857.61 × 207,157.38
  4. Step 4: Simplify right side
    260,965.68x = 74,754,317,040.66
  5. Step 5: Solve for x
    x = 74,754,317,040.66/260,965.68
  6. Step 6: Final answer
    x = 286,452.67

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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.