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Finding the Fourth Proportional to 260,285.48, 359,191.44 and 145,562.84

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Solution

The fourth proportional to 260,285.48, 359,191.44 and 145,562.84 is: 200,875.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,285.48 : 359,191.44 = 145,562.84 : x
  2. Step 2: Convert to fraction form
    260,285.48/359,191.44 = 145,562.84/x
  3. Step 3: Cross multiply
    260,285.48x = 359,191.44 × 145,562.84
  4. Step 4: Simplify right side
    260,285.48x = 52,284,926,110.09
  5. Step 5: Solve for x
    x = 52,284,926,110.09/260,285.48
  6. Step 6: Final answer
    x = 200,875.31

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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.