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Finding the Fourth Proportional to 373,614.21, 514,985.31 and 252,711.41

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Solution

The fourth proportional to 373,614.21, 514,985.31 and 252,711.41 is: 348,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,614.21 : 514,985.31 = 252,711.41 : x
  2. Step 2: Convert to fraction form
    373,614.21/514,985.31 = 252,711.41/x
  3. Step 3: Cross multiply
    373,614.21x = 514,985.31 × 252,711.41
  4. Step 4: Simplify right side
    373,614.21x = 130,142,661,244.46
  5. Step 5: Solve for x
    x = 130,142,661,244.46/373,614.21
  6. Step 6: Final answer
    x = 348,334.35

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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.