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Finding the Fourth Proportional to 453,876, 681,125.04 and 158,388

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Solution

The fourth proportional to 453,876, 681,125.04 and 158,388 is: 237,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,876 : 681,125.04 = 158,388 : x
  2. Step 2: Convert to fraction form
    453,876/681,125.04 = 158,388/x
  3. Step 3: Cross multiply
    453,876x = 681,125.04 × 158,388
  4. Step 4: Simplify right side
    453,876x = 107,882,032,835.52
  5. Step 5: Solve for x
    x = 107,882,032,835.52/453,876
  6. Step 6: Final answer
    x = 237,690.54

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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.