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Finding the Fourth Proportional to 371,387.52, 556,991.48 and 171,515.68

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Solution

The fourth proportional to 371,387.52, 556,991.48 and 171,515.68 is: 257,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,387.52 : 556,991.48 = 171,515.68 : x
  2. Step 2: Convert to fraction form
    371,387.52/556,991.48 = 171,515.68/x
  3. Step 3: Cross multiply
    371,387.52x = 556,991.48 × 171,515.68
  4. Step 4: Simplify right side
    371,387.52x = 95,532,772,446.41
  5. Step 5: Solve for x
    x = 95,532,772,446.41/371,387.52
  6. Step 6: Final answer
    x = 257,232.05

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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.