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Finding the Fourth Proportional to 491,814.59, 737,821.33 and 207,505.84

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Solution

The fourth proportional to 491,814.59, 737,821.33 and 207,505.84 is: 311,300.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,814.59 : 737,821.33 = 207,505.84 : x
  2. Step 2: Convert to fraction form
    491,814.59/737,821.33 = 207,505.84/x
  3. Step 3: Cross multiply
    491,814.59x = 737,821.33 × 207,505.84
  4. Step 4: Simplify right side
    491,814.59x = 153,102,234,851.57
  5. Step 5: Solve for x
    x = 153,102,234,851.57/491,814.59
  6. Step 6: Final answer
    x = 311,300.72

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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.