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Finding the Fourth Proportional to 286,223.59, 431,392.72 and 246,719.37

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Solution

The fourth proportional to 286,223.59, 431,392.72 and 246,719.37 is: 371,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,223.59 : 431,392.72 = 246,719.37 : x
  2. Step 2: Convert to fraction form
    286,223.59/431,392.72 = 246,719.37/x
  3. Step 3: Cross multiply
    286,223.59x = 431,392.72 × 246,719.37
  4. Step 4: Simplify right side
    286,223.59x = 106,432,940,100.99
  5. Step 5: Solve for x
    x = 106,432,940,100.99/286,223.59
  6. Step 6: Final answer
    x = 371,852.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.