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Finding the Fourth Proportional to 580,295.88, 800,612.10 and 376,601.94

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Solution

The fourth proportional to 580,295.88, 800,612.10 and 376,601.94 is: 519,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,295.88 : 800,612.10 = 376,601.94 : x
  2. Step 2: Convert to fraction form
    580,295.88/800,612.10 = 376,601.94/x
  3. Step 3: Cross multiply
    580,295.88x = 800,612.10 × 376,601.94
  4. Step 4: Simplify right side
    580,295.88x = 301,512,070,047.47
  5. Step 5: Solve for x
    x = 301,512,070,047.47/580,295.88
  6. Step 6: Final answer
    x = 519,583.34

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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.