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Finding the Fourth Proportional to 260,790.90, 359,867.25 and 147,613.65

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Solution

The fourth proportional to 260,790.90, 359,867.25 and 147,613.65 is: 203,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,790.90 : 359,867.25 = 147,613.65 : x
  2. Step 2: Convert to fraction form
    260,790.90/359,867.25 = 147,613.65/x
  3. Step 3: Cross multiply
    260,790.90x = 359,867.25 × 147,613.65
  4. Step 4: Simplify right side
    260,790.90x = 53,121,318,287.96
  5. Step 5: Solve for x
    x = 53,121,318,287.96/260,790.90
  6. Step 6: Final answer
    x = 203,693.14

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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.