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Finding the Fourth Proportional to 353,185.98, 529,778.97 and 103,867.98

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Solution

The fourth proportional to 353,185.98, 529,778.97 and 103,867.98 is: 155,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,185.98 : 529,778.97 = 103,867.98 : x
  2. Step 2: Convert to fraction form
    353,185.98/529,778.97 = 103,867.98/x
  3. Step 3: Cross multiply
    353,185.98x = 529,778.97 × 103,867.98
  4. Step 4: Simplify right side
    353,185.98x = 55,027,071,460.38
  5. Step 5: Solve for x
    x = 55,027,071,460.38/353,185.98
  6. Step 6: Final answer
    x = 155,801.97

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1.5x scale

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.