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Finding the Fourth Proportional to 526,951.50, 790,449.12 and 152,974.50

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Solution

The fourth proportional to 526,951.50, 790,449.12 and 152,974.50 is: 229,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,951.50 : 790,449.12 = 152,974.50 : x
  2. Step 2: Convert to fraction form
    526,951.50/790,449.12 = 152,974.50/x
  3. Step 3: Cross multiply
    526,951.50x = 790,449.12 × 152,974.50
  4. Step 4: Simplify right side
    526,951.50x = 120,918,558,907.44
  5. Step 5: Solve for x
    x = 120,918,558,907.44/526,951.50
  6. Step 6: Final answer
    x = 229,468.10

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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.