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Finding the Fourth Proportional to 637,730.50, 880,108.02 and 351,250.48

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Solution

The fourth proportional to 637,730.50, 880,108.02 and 351,250.48 is: 484,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,730.50 : 880,108.02 = 351,250.48 : x
  2. Step 2: Convert to fraction form
    637,730.50/880,108.02 = 351,250.48/x
  3. Step 3: Cross multiply
    637,730.50x = 880,108.02 × 351,250.48
  4. Step 4: Simplify right side
    637,730.50x = 309,138,364,476.85
  5. Step 5: Solve for x
    x = 309,138,364,476.85/637,730.50
  6. Step 6: Final answer
    x = 484,747.66

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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.