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Finding the Fourth Proportional to 491,554.68, 737,618.50 and 207,227.77

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Solution

The fourth proportional to 491,554.68, 737,618.50 and 207,227.77 is: 310,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,554.68 : 737,618.50 = 207,227.77 : x
  2. Step 2: Convert to fraction form
    491,554.68/737,618.50 = 207,227.77/x
  3. Step 3: Cross multiply
    491,554.68x = 737,618.50 × 207,227.77
  4. Step 4: Simplify right side
    491,554.68x = 152,855,035,280.73
  5. Step 5: Solve for x
    x = 152,855,035,280.73/491,554.68
  6. Step 6: Final answer
    x = 310,962.43

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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.