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Finding the Fourth Proportional to 567,126.90, 850,690.35 and 252,198.90

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Solution

The fourth proportional to 567,126.90, 850,690.35 and 252,198.90 is: 378,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,126.90 : 850,690.35 = 252,198.90 : x
  2. Step 2: Convert to fraction form
    567,126.90/850,690.35 = 252,198.90/x
  3. Step 3: Cross multiply
    567,126.90x = 850,690.35 × 252,198.90
  4. Step 4: Simplify right side
    567,126.90x = 214,543,170,510.62
  5. Step 5: Solve for x
    x = 214,543,170,510.62/567,126.90
  6. Step 6: Final answer
    x = 378,298.35

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Double scale
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Similar ratio
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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.