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Finding the Fourth Proportional to 260,520.97, 359,586.53 and 147,409.33

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Solution

The fourth proportional to 260,520.97, 359,586.53 and 147,409.33 is: 203,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,520.97 : 359,586.53 = 147,409.33 : x
  2. Step 2: Convert to fraction form
    260,520.97/359,586.53 = 147,409.33/x
  3. Step 3: Cross multiply
    260,520.97x = 359,586.53 × 147,409.33
  4. Step 4: Simplify right side
    260,520.97x = 53,006,409,464.32
  5. Step 5: Solve for x
    x = 53,006,409,464.32/260,520.97
  6. Step 6: Final answer
    x = 203,463.12

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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.