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Finding the Fourth Proportional to 356,290.82, 534,485.43 and 119,701.16

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Solution

The fourth proportional to 356,290.82, 534,485.43 and 119,701.16 is: 179,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,290.82 : 534,485.43 = 119,701.16 : x
  2. Step 2: Convert to fraction form
    356,290.82/534,485.43 = 119,701.16/x
  3. Step 3: Cross multiply
    356,290.82x = 534,485.43 × 119,701.16
  4. Step 4: Simplify right side
    356,290.82x = 63,978,523,301.67
  5. Step 5: Solve for x
    x = 63,978,523,301.67/356,290.82
  6. Step 6: Final answer
    x = 179,568.26

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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.