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Finding the Fourth Proportional to 476,859.55, 658,065.63 and 261,999.08

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Solution

The fourth proportional to 476,859.55, 658,065.63 and 261,999.08 is: 361,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,859.55 : 658,065.63 = 261,999.08 : x
  2. Step 2: Convert to fraction form
    476,859.55/658,065.63 = 261,999.08/x
  3. Step 3: Cross multiply
    476,859.55x = 658,065.63 × 261,999.08
  4. Step 4: Simplify right side
    476,859.55x = 172,412,589,639.62
  5. Step 5: Solve for x
    x = 172,412,589,639.62/476,859.55
  6. Step 6: Final answer
    x = 361,558.43

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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.