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Finding the Fourth Proportional to 683,875.20, 959,524.80 and 683,875.20

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Solution

The fourth proportional to 683,875.20, 959,524.80 and 683,875.20 is: 959,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,875.20 : 959,524.80 = 683,875.20 : x
  2. Step 2: Convert to fraction form
    683,875.20/959,524.80 = 683,875.20/x
  3. Step 3: Cross multiply
    683,875.20x = 959,524.80 × 683,875.20
  4. Step 4: Simplify right side
    683,875.20x = 656,195,214,504.96
  5. Step 5: Solve for x
    x = 656,195,214,504.96/683,875.20
  6. Step 6: Final answer
    x = 959,524.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.