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Finding the Fourth Proportional to 682,204.56, 941,701.68 and 512,930.40

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Solution

The fourth proportional to 682,204.56, 941,701.68 and 512,930.40 is: 708,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,204.56 : 941,701.68 = 512,930.40 : x
  2. Step 2: Convert to fraction form
    682,204.56/941,701.68 = 512,930.40/x
  3. Step 3: Cross multiply
    682,204.56x = 941,701.68 × 512,930.40
  4. Step 4: Simplify right side
    682,204.56x = 483,027,419,403.07
  5. Step 5: Solve for x
    x = 483,027,419,403.07/682,204.56
  6. Step 6: Final answer
    x = 708,038.98

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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.