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Finding the Fourth Proportional to 682,214.72, 941,165.88 and 500,611.10

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Solution

The fourth proportional to 682,214.72, 941,165.88 and 500,611.10 is: 690,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,214.72 : 941,165.88 = 500,611.10 : x
  2. Step 2: Convert to fraction form
    682,214.72/941,165.88 = 500,611.10/x
  3. Step 3: Cross multiply
    682,214.72x = 941,165.88 × 500,611.10
  4. Step 4: Simplify right side
    682,214.72x = 471,158,086,469.27
  5. Step 5: Solve for x
    x = 471,158,086,469.27/682,214.72
  6. Step 6: Final answer
    x = 690,630.20

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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.