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Finding the Fourth Proportional to 567,010.20, 850,515.30 and 490,027.80

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Solution

The fourth proportional to 567,010.20, 850,515.30 and 490,027.80 is: 735,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,010.20 : 850,515.30 = 490,027.80 : x
  2. Step 2: Convert to fraction form
    567,010.20/850,515.30 = 490,027.80/x
  3. Step 3: Cross multiply
    567,010.20x = 850,515.30 × 490,027.80
  4. Step 4: Simplify right side
    567,010.20x = 416,776,141,325.34
  5. Step 5: Solve for x
    x = 416,776,141,325.34/567,010.20
  6. Step 6: Final answer
    x = 735,041.70

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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.