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Finding the Fourth Proportional to 461,699.38, 637,410.23 and 351,942.09

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Solution

The fourth proportional to 461,699.38, 637,410.23 and 351,942.09 is: 485,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,699.38 : 637,410.23 = 351,942.09 : x
  2. Step 2: Convert to fraction form
    461,699.38/637,410.23 = 351,942.09/x
  3. Step 3: Cross multiply
    461,699.38x = 637,410.23 × 351,942.09
  4. Step 4: Simplify right side
    461,699.38x = 224,331,488,533.58
  5. Step 5: Solve for x
    x = 224,331,488,533.58/461,699.38
  6. Step 6: Final answer
    x = 485,882.15

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1.5x scale

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.