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Finding the Fourth Proportional to 356,453.36, 534,712.92 and 116,568.53

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Solution

The fourth proportional to 356,453.36, 534,712.92 and 116,568.53 is: 174,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,453.36 : 534,712.92 = 116,568.53 : x
  2. Step 2: Convert to fraction form
    356,453.36/534,712.92 = 116,568.53/x
  3. Step 3: Cross multiply
    356,453.36x = 534,712.92 × 116,568.53
  4. Step 4: Simplify right side
    356,453.36x = 62,330,699,056.41
  5. Step 5: Solve for x
    x = 62,330,699,056.41/356,453.36
  6. Step 6: Final answer
    x = 174,863.55

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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.