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Finding the Fourth Proportional to 526,992.72, 790,490.95 and 127,633.76

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Solution

The fourth proportional to 526,992.72, 790,490.95 and 127,633.76 is: 191,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,992.72 : 790,490.95 = 127,633.76 : x
  2. Step 2: Convert to fraction form
    526,992.72/790,490.95 = 127,633.76/x
  3. Step 3: Cross multiply
    526,992.72x = 790,490.95 × 127,633.76
  4. Step 4: Simplify right side
    526,992.72x = 100,893,330,887.27
  5. Step 5: Solve for x
    x = 100,893,330,887.27/526,992.72
  6. Step 6: Final answer
    x = 191,451.09

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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.