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Finding the Fourth Proportional to 373,059.28, 514,820.16 and 203,293.40

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Solution

The fourth proportional to 373,059.28, 514,820.16 and 203,293.40 is: 280,543.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,059.28 : 514,820.16 = 203,293.40 : x
  2. Step 2: Convert to fraction form
    373,059.28/514,820.16 = 203,293.40/x
  3. Step 3: Cross multiply
    373,059.28x = 514,820.16 × 203,293.40
  4. Step 4: Simplify right side
    373,059.28x = 104,659,540,714.94
  5. Step 5: Solve for x
    x = 104,659,540,714.94/373,059.28
  6. Step 6: Final answer
    x = 280,543.99

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1.5x scale

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.