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Finding the Fourth Proportional to 570,182.21, 782,660.10 and 504,205.89

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Solution

The fourth proportional to 570,182.21, 782,660.10 and 504,205.89 is: 692,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,182.21 : 782,660.10 = 504,205.89 : x
  2. Step 2: Convert to fraction form
    570,182.21/782,660.10 = 504,205.89/x
  3. Step 3: Cross multiply
    570,182.21x = 782,660.10 × 504,205.89
  4. Step 4: Simplify right side
    570,182.21x = 394,621,832,287.99
  5. Step 5: Solve for x
    x = 394,621,832,287.99/570,182.21
  6. Step 6: Final answer
    x = 692,097.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.