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Finding the Fourth Proportional to 635,520.72, 877,019.04 and 349,055.04

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Solution

The fourth proportional to 635,520.72, 877,019.04 and 349,055.04 is: 481,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,520.72 : 877,019.04 = 349,055.04 : x
  2. Step 2: Convert to fraction form
    635,520.72/877,019.04 = 349,055.04/x
  3. Step 3: Cross multiply
    635,520.72x = 877,019.04 × 349,055.04
  4. Step 4: Simplify right side
    635,520.72x = 306,127,916,087.96
  5. Step 5: Solve for x
    x = 306,127,916,087.96/635,520.72
  6. Step 6: Final answer
    x = 481,696.20

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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.