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Finding the Fourth Proportional to 461,996.78, 637,548.79 and 258,050.65

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Solution

The fourth proportional to 461,996.78, 637,548.79 and 258,050.65 is: 356,106.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,996.78 : 637,548.79 = 258,050.65 : x
  2. Step 2: Convert to fraction form
    461,996.78/637,548.79 = 258,050.65/x
  3. Step 3: Cross multiply
    461,996.78x = 637,548.79 × 258,050.65
  4. Step 4: Simplify right side
    461,996.78x = 164,519,879,666.21
  5. Step 5: Solve for x
    x = 164,519,879,666.21/461,996.78
  6. Step 6: Final answer
    x = 356,106.12

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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.