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Finding the Fourth Proportional to 357,540.64, 536,302.68 and 179,999.98

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Solution

The fourth proportional to 357,540.64, 536,302.68 and 179,999.98 is: 269,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,540.64 : 536,302.68 = 179,999.98 : x
  2. Step 2: Convert to fraction form
    357,540.64/536,302.68 = 179,999.98/x
  3. Step 3: Cross multiply
    357,540.64x = 536,302.68 × 179,999.98
  4. Step 4: Simplify right side
    357,540.64x = 96,534,471,673.95
  5. Step 5: Solve for x
    x = 96,534,471,673.95/357,540.64
  6. Step 6: Final answer
    x = 269,995.80

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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.