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Finding the Fourth Proportional to 366,094.90, 505,271.42 and 251,279.22

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Solution

The fourth proportional to 366,094.90, 505,271.42 and 251,279.22 is: 346,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,094.90 : 505,271.42 = 251,279.22 : x
  2. Step 2: Convert to fraction form
    366,094.90/505,271.42 = 251,279.22/x
  3. Step 3: Cross multiply
    366,094.90x = 505,271.42 × 251,279.22
  4. Step 4: Simplify right side
    366,094.90x = 126,964,208,305.89
  5. Step 5: Solve for x
    x = 126,964,208,305.89/366,094.90
  6. Step 6: Final answer
    x = 346,806.82

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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.