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Finding the Fourth Proportional to 580,540.37, 869,484.76 and 277,147.94

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Solution

The fourth proportional to 580,540.37, 869,484.76 and 277,147.94 is: 415,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,540.37 : 869,484.76 = 277,147.94 : x
  2. Step 2: Convert to fraction form
    580,540.37/869,484.76 = 277,147.94/x
  3. Step 3: Cross multiply
    580,540.37x = 869,484.76 × 277,147.94
  4. Step 4: Simplify right side
    580,540.37x = 240,975,911,576.24
  5. Step 5: Solve for x
    x = 240,975,911,576.24/580,540.37
  6. Step 6: Final answer
    x = 415,088.98

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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.