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Finding the Fourth Proportional to 318,332.84, 439,361.72 and 182,457.86

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Solution

The fourth proportional to 318,332.84, 439,361.72 and 182,457.86 is: 251,827.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,332.84 : 439,361.72 = 182,457.86 : x
  2. Step 2: Convert to fraction form
    318,332.84/439,361.72 = 182,457.86/x
  3. Step 3: Cross multiply
    318,332.84x = 439,361.72 × 182,457.86
  4. Step 4: Simplify right side
    318,332.84x = 80,164,999,197.12
  5. Step 5: Solve for x
    x = 80,164,999,197.12/318,332.84
  6. Step 6: Final answer
    x = 251,827.61

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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.