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Finding the Fourth Proportional to 295,136.64, 443,006.28 and 216,015.84

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Solution

The fourth proportional to 295,136.64, 443,006.28 and 216,015.84 is: 324,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,136.64 : 443,006.28 = 216,015.84 : x
  2. Step 2: Convert to fraction form
    295,136.64/443,006.28 = 216,015.84/x
  3. Step 3: Cross multiply
    295,136.64x = 443,006.28 × 216,015.84
  4. Step 4: Simplify right side
    295,136.64x = 95,696,373,699.48
  5. Step 5: Solve for x
    x = 95,696,373,699.48/295,136.64
  6. Step 6: Final answer
    x = 324,244.30

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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.