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Finding the Fourth Proportional to 292,000.74, 437,998.52 and 92,321.26

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Solution

The fourth proportional to 292,000.74, 437,998.52 and 92,321.26 is: 138,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,000.74 : 437,998.52 = 92,321.26 : x
  2. Step 2: Convert to fraction form
    292,000.74/437,998.52 = 92,321.26/x
  3. Step 3: Cross multiply
    292,000.74x = 437,998.52 × 92,321.26
  4. Step 4: Simplify right side
    292,000.74x = 40,436,575,244.54
  5. Step 5: Solve for x
    x = 40,436,575,244.54/292,000.74
  6. Step 6: Final answer
    x = 138,481.07

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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.