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Finding the Fourth Proportional to 286,236.80, 431,412.63 and 246,732.59

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Solution

The fourth proportional to 286,236.80, 431,412.63 and 246,732.59 is: 371,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,236.80 : 431,412.63 = 246,732.59 : x
  2. Step 2: Convert to fraction form
    286,236.80/431,412.63 = 246,732.59/x
  3. Step 3: Cross multiply
    286,236.80x = 431,412.63 × 246,732.59
  4. Step 4: Simplify right side
    286,236.80x = 106,443,555,558.61
  5. Step 5: Solve for x
    x = 106,443,555,558.61/286,236.80
  6. Step 6: Final answer
    x = 371,872.36

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1.5x scale

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.