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Finding the Fourth Proportional to 341,548.83, 512,347.86 and 131,186.76

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Solution

The fourth proportional to 341,548.83, 512,347.86 and 131,186.76 is: 196,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,548.83 : 512,347.86 = 131,186.76 : x
  2. Step 2: Convert to fraction form
    341,548.83/512,347.86 = 131,186.76/x
  3. Step 3: Cross multiply
    341,548.83x = 512,347.86 × 131,186.76
  4. Step 4: Simplify right side
    341,548.83x = 67,213,255,746.33
  5. Step 5: Solve for x
    x = 67,213,255,746.33/341,548.83
  6. Step 6: Final answer
    x = 196,789.59

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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.