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Finding the Fourth Proportional to 316,673.66, 436,901.24 and 180,609.82

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Solution

The fourth proportional to 316,673.66, 436,901.24 and 180,609.82 is: 249,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,673.66 : 436,901.24 = 180,609.82 : x
  2. Step 2: Convert to fraction form
    316,673.66/436,901.24 = 180,609.82/x
  3. Step 3: Cross multiply
    316,673.66x = 436,901.24 × 180,609.82
  4. Step 4: Simplify right side
    316,673.66x = 78,908,654,314.18
  5. Step 5: Solve for x
    x = 78,908,654,314.18/316,673.66
  6. Step 6: Final answer
    x = 249,179.72

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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.