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Finding the Fourth Proportional to 626,775.80, 940,537.18 and 227,447.72

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Solution

The fourth proportional to 626,775.80, 940,537.18 and 227,447.72 is: 341,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,775.80 : 940,537.18 = 227,447.72 : x
  2. Step 2: Convert to fraction form
    626,775.80/940,537.18 = 227,447.72/x
  3. Step 3: Cross multiply
    626,775.80x = 940,537.18 × 227,447.72
  4. Step 4: Simplify right side
    626,775.80x = 213,923,037,166.23
  5. Step 5: Solve for x
    x = 213,923,037,166.23/626,775.80
  6. Step 6: Final answer
    x = 341,307.11

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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.