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Finding the Fourth Proportional to 351,767.26, 527,335.53 and 127,074.88

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Solution

The fourth proportional to 351,767.26, 527,335.53 and 127,074.88 is: 190,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,767.26 : 527,335.53 = 127,074.88 : x
  2. Step 2: Convert to fraction form
    351,767.26/527,335.53 = 127,074.88/x
  3. Step 3: Cross multiply
    351,767.26x = 527,335.53 × 127,074.88
  4. Step 4: Simplify right side
    351,767.26x = 67,011,099,194.49
  5. Step 5: Solve for x
    x = 67,011,099,194.49/351,767.26
  6. Step 6: Final answer
    x = 190,498.40

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1.5x scale

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.