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Finding the Fourth Proportional to 373,056.88, 514,818.56 and 203,291

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Solution

The fourth proportional to 373,056.88, 514,818.56 and 203,291 is: 280,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,056.88 : 514,818.56 = 203,291 : x
  2. Step 2: Convert to fraction form
    373,056.88/514,818.56 = 203,291/x
  3. Step 3: Cross multiply
    373,056.88x = 514,818.56 × 203,291
  4. Step 4: Simplify right side
    373,056.88x = 104,657,979,880.96
  5. Step 5: Solve for x
    x = 104,657,979,880.96/373,056.88
  6. Step 6: Final answer
    x = 280,541.62

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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.