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Finding the Fourth Proportional to 526,768.52, 790,278.42 and 171,782.96

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Solution

The fourth proportional to 526,768.52, 790,278.42 and 171,782.96 is: 257,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,768.52 : 790,278.42 = 171,782.96 : x
  2. Step 2: Convert to fraction form
    526,768.52/790,278.42 = 171,782.96/x
  3. Step 3: Cross multiply
    526,768.52x = 790,278.42 × 171,782.96
  4. Step 4: Simplify right side
    526,768.52x = 135,756,366,211.72
  5. Step 5: Solve for x
    x = 135,756,366,211.72/526,768.52
  6. Step 6: Final answer
    x = 257,715.41

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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.