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Finding the Fourth Proportional to 804,751.72, 1,207,274.22 and 265,037.38

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Solution

The fourth proportional to 804,751.72, 1,207,274.22 and 265,037.38 is: 397,604.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,751.72 : 1,207,274.22 = 265,037.38 : x
  2. Step 2: Convert to fraction form
    804,751.72/1,207,274.22 = 265,037.38/x
  3. Step 3: Cross multiply
    804,751.72x = 1,207,274.22 × 265,037.38
  4. Step 4: Simplify right side
    804,751.72x = 319,972,796,210.34
  5. Step 5: Solve for x
    x = 319,972,796,210.34/804,751.72
  6. Step 6: Final answer
    x = 397,604.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.