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Finding the Fourth Proportional to 682,953.60, 1,024,430.40 and 533,654.40

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Solution

The fourth proportional to 682,953.60, 1,024,430.40 and 533,654.40 is: 800,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,953.60 : 1,024,430.40 = 533,654.40 : x
  2. Step 2: Convert to fraction form
    682,953.60/1,024,430.40 = 533,654.40/x
  3. Step 3: Cross multiply
    682,953.60x = 1,024,430.40 × 533,654.40
  4. Step 4: Simplify right side
    682,953.60x = 546,691,790,453.76
  5. Step 5: Solve for x
    x = 546,691,790,453.76/682,953.60
  6. Step 6: Final answer
    x = 800,481.60

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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.