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Finding the Fourth Proportional to 356,472.94, 534,682.50 and 103,755.40

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Solution

The fourth proportional to 356,472.94, 534,682.50 and 103,755.40 is: 155,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,472.94 : 534,682.50 = 103,755.40 : x
  2. Step 2: Convert to fraction form
    356,472.94/534,682.50 = 103,755.40/x
  3. Step 3: Cross multiply
    356,472.94x = 534,682.50 × 103,755.40
  4. Step 4: Simplify right side
    356,472.94x = 55,476,196,660.50
  5. Step 5: Solve for x
    x = 55,476,196,660.50/356,472.94
  6. Step 6: Final answer
    x = 155,625.27

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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.