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Finding the Fourth Proportional to 580,147.52, 800,602.80 and 325,522.40

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Solution

The fourth proportional to 580,147.52, 800,602.80 and 325,522.40 is: 449,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,147.52 : 800,602.80 = 325,522.40 : x
  2. Step 2: Convert to fraction form
    580,147.52/800,602.80 = 325,522.40/x
  3. Step 3: Cross multiply
    580,147.52x = 800,602.80 × 325,522.40
  4. Step 4: Simplify right side
    580,147.52x = 260,614,144,902.72
  5. Step 5: Solve for x
    x = 260,614,144,902.72/580,147.52
  6. Step 6: Final answer
    x = 449,220.48

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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.