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Finding the Fourth Proportional to 580,295.53, 800,602.55 and 379,208.17

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Solution

The fourth proportional to 580,295.53, 800,602.55 and 379,208.17 is: 523,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,295.53 : 800,602.55 = 379,208.17 : x
  2. Step 2: Convert to fraction form
    580,295.53/800,602.55 = 379,208.17/x
  3. Step 3: Cross multiply
    580,295.53x = 800,602.55 × 379,208.17
  4. Step 4: Simplify right side
    580,295.53x = 303,595,025,986.79
  5. Step 5: Solve for x
    x = 303,595,025,986.79/580,295.53
  6. Step 6: Final answer
    x = 523,173.13

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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.