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Finding the Fourth Proportional to 461,803.94, 637,120.86 and 270,780.29

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Solution

The fourth proportional to 461,803.94, 637,120.86 and 270,780.29 is: 373,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,803.94 : 637,120.86 = 270,780.29 : x
  2. Step 2: Convert to fraction form
    461,803.94/637,120.86 = 270,780.29/x
  3. Step 3: Cross multiply
    461,803.94x = 637,120.86 × 270,780.29
  4. Step 4: Simplify right side
    461,803.94x = 172,519,771,235.85
  5. Step 5: Solve for x
    x = 172,519,771,235.85/461,803.94
  6. Step 6: Final answer
    x = 373,577.95

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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.