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Finding the Fourth Proportional to 261,364.55, 360,793.17 and 176,596.43

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Solution

The fourth proportional to 261,364.55, 360,793.17 and 176,596.43 is: 243,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,364.55 : 360,793.17 = 176,596.43 : x
  2. Step 2: Convert to fraction form
    261,364.55/360,793.17 = 176,596.43/x
  3. Step 3: Cross multiply
    261,364.55x = 360,793.17 × 176,596.43
  4. Step 4: Simplify right side
    261,364.55x = 63,714,783,986.42
  5. Step 5: Solve for x
    x = 63,714,783,986.42/261,364.55
  6. Step 6: Final answer
    x = 243,777.46

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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.