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Finding the Fourth Proportional to 577,177.89, 796,311.30 and 373,486.52

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Solution

The fourth proportional to 577,177.89, 796,311.30 and 373,486.52 is: 515,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,177.89 : 796,311.30 = 373,486.52 : x
  2. Step 2: Convert to fraction form
    577,177.89/796,311.30 = 373,486.52/x
  3. Step 3: Cross multiply
    577,177.89x = 796,311.30 × 373,486.52
  4. Step 4: Simplify right side
    577,177.89x = 297,411,537,425.40
  5. Step 5: Solve for x
    x = 297,411,537,425.40/577,177.89
  6. Step 6: Final answer
    x = 515,285.74

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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.