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Finding the Fourth Proportional to 316,773.12, 437,178.25 and 180,827.49

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Solution

The fourth proportional to 316,773.12, 437,178.25 and 180,827.49 is: 249,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,773.12 : 437,178.25 = 180,827.49 : x
  2. Step 2: Convert to fraction form
    316,773.12/437,178.25 = 180,827.49/x
  3. Step 3: Cross multiply
    316,773.12x = 437,178.25 × 180,827.49
  4. Step 4: Simplify right side
    316,773.12x = 79,053,845,630.09
  5. Step 5: Solve for x
    x = 79,053,845,630.09/316,773.12
  6. Step 6: Final answer
    x = 249,559.83

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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.