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Finding the Fourth Proportional to 295,072.60, 442,827.60 and 216,340.60

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Solution

The fourth proportional to 295,072.60, 442,827.60 and 216,340.60 is: 324,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,072.60 : 442,827.60 = 216,340.60 : x
  2. Step 2: Convert to fraction form
    295,072.60/442,827.60 = 216,340.60/x
  3. Step 3: Cross multiply
    295,072.60x = 442,827.60 × 216,340.60
  4. Step 4: Simplify right side
    295,072.60x = 95,801,588,680.56
  5. Step 5: Solve for x
    x = 95,801,588,680.56/295,072.60
  6. Step 6: Final answer
    x = 324,671.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.