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Finding the Fourth Proportional to 637,055.88, 879,137.29 and 350,575.96

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Solution

The fourth proportional to 637,055.88, 879,137.29 and 350,575.96 is: 483,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,055.88 : 879,137.29 = 350,575.96 : x
  2. Step 2: Convert to fraction form
    637,055.88/879,137.29 = 350,575.96/x
  3. Step 3: Cross multiply
    637,055.88x = 879,137.29 × 350,575.96
  4. Step 4: Simplify right side
    637,055.88x = 308,204,403,586.75
  5. Step 5: Solve for x
    x = 308,204,403,586.75/637,055.88
  6. Step 6: Final answer
    x = 483,794.93

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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.