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Finding the Fourth Proportional to 584,728.20, 877,092.30 and 443,010.60

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Solution

The fourth proportional to 584,728.20, 877,092.30 and 443,010.60 is: 664,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,728.20 : 877,092.30 = 443,010.60 : x
  2. Step 2: Convert to fraction form
    584,728.20/877,092.30 = 443,010.60/x
  3. Step 3: Cross multiply
    584,728.20x = 877,092.30 × 443,010.60
  4. Step 4: Simplify right side
    584,728.20x = 388,561,186,078.38
  5. Step 5: Solve for x
    x = 388,561,186,078.38/584,728.20
  6. Step 6: Final answer
    x = 664,515.90

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Similar ratio
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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.