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Finding the Fourth Proportional to 316,671.66, 436,898.48 and 180,607.82

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Solution

The fourth proportional to 316,671.66, 436,898.48 and 180,607.82 is: 249,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,671.66 : 436,898.48 = 180,607.82 : x
  2. Step 2: Convert to fraction form
    316,671.66/436,898.48 = 180,607.82/x
  3. Step 3: Cross multiply
    316,671.66x = 436,898.48 × 180,607.82
  4. Step 4: Simplify right side
    316,671.66x = 78,907,278,946.58
  5. Step 5: Solve for x
    x = 78,907,278,946.58/316,671.66
  6. Step 6: Final answer
    x = 249,176.95

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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.