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Finding the Fourth Proportional to 461,682.10, 637,386.33 and 351,924.77

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Solution

The fourth proportional to 461,682.10, 637,386.33 and 351,924.77 is: 485,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,682.10 : 637,386.33 = 351,924.77 : x
  2. Step 2: Convert to fraction form
    461,682.10/637,386.33 = 351,924.77/x
  3. Step 3: Cross multiply
    461,682.10x = 637,386.33 × 351,924.77
  4. Step 4: Simplify right side
    461,682.10x = 224,312,040,499.58
  5. Step 5: Solve for x
    x = 224,312,040,499.58/461,682.10
  6. Step 6: Final answer
    x = 485,858.21

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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.