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Finding the Fourth Proportional to 371,367.28, 556,547.56 and 271,056.88

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Solution

The fourth proportional to 371,367.28, 556,547.56 and 271,056.88 is: 406,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,367.28 : 556,547.56 = 271,056.88 : x
  2. Step 2: Convert to fraction form
    371,367.28/556,547.56 = 271,056.88/x
  3. Step 3: Cross multiply
    371,367.28x = 556,547.56 × 271,056.88
  4. Step 4: Simplify right side
    371,367.28x = 150,856,045,185.21
  5. Step 5: Solve for x
    x = 150,856,045,185.21/371,367.28
  6. Step 6: Final answer
    x = 406,217.92

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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.