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Finding the Fourth Proportional to 567,126.85, 782,652.78 and 325,453.63

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Solution

The fourth proportional to 567,126.85, 782,652.78 and 325,453.63 is: 449,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,126.85 : 782,652.78 = 325,453.63 : x
  2. Step 2: Convert to fraction form
    567,126.85/782,652.78 = 325,453.63/x
  3. Step 3: Cross multiply
    567,126.85x = 782,652.78 × 325,453.63
  4. Step 4: Simplify right side
    567,126.85x = 254,717,188,280.59
  5. Step 5: Solve for x
    x = 254,717,188,280.59/567,126.85
  6. Step 6: Final answer
    x = 449,136.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.