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Finding the Fourth Proportional to 260,283.98, 359,189.39 and 145,561.35

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Solution

The fourth proportional to 260,283.98, 359,189.39 and 145,561.35 is: 200,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,283.98 : 359,189.39 = 145,561.35 : x
  2. Step 2: Convert to fraction form
    260,283.98/359,189.39 = 145,561.35/x
  3. Step 3: Cross multiply
    260,283.98x = 359,189.39 × 145,561.35
  4. Step 4: Simplify right side
    260,283.98x = 52,284,091,786.27
  5. Step 5: Solve for x
    x = 52,284,091,786.27/260,283.98
  6. Step 6: Final answer
    x = 200,873.26

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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.