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Finding the Fourth Proportional to 577,823.60, 865,698.60 and 494,879.60

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Solution

The fourth proportional to 577,823.60, 865,698.60 and 494,879.60 is: 741,431.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,823.60 : 865,698.60 = 494,879.60 : x
  2. Step 2: Convert to fraction form
    577,823.60/865,698.60 = 494,879.60/x
  3. Step 3: Cross multiply
    577,823.60x = 865,698.60 × 494,879.60
  4. Step 4: Simplify right side
    577,823.60x = 428,416,576,888.56
  5. Step 5: Solve for x
    x = 428,416,576,888.56/577,823.60
  6. Step 6: Final answer
    x = 741,431.43

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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.