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Finding the Fourth Proportional to 373,627.52, 515,650.56 and 212,506.88

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Solution

The fourth proportional to 373,627.52, 515,650.56 and 212,506.88 is: 293,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,627.52 : 515,650.56 = 212,506.88 : x
  2. Step 2: Convert to fraction form
    373,627.52/515,650.56 = 212,506.88/x
  3. Step 3: Cross multiply
    373,627.52x = 515,650.56 × 212,506.88
  4. Step 4: Simplify right side
    373,627.52x = 109,579,291,675.85
  5. Step 5: Solve for x
    x = 109,579,291,675.85/373,627.52
  6. Step 6: Final answer
    x = 293,284.85

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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.