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Finding the Fourth Proportional to 243,924.72, 365,884.98 and 190,661.45

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Solution

The fourth proportional to 243,924.72, 365,884.98 and 190,661.45 is: 285,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,924.72 : 365,884.98 = 190,661.45 : x
  2. Step 2: Convert to fraction form
    243,924.72/365,884.98 = 190,661.45/x
  3. Step 3: Cross multiply
    243,924.72x = 365,884.98 × 190,661.45
  4. Step 4: Simplify right side
    243,924.72x = 69,760,158,990.60
  5. Step 5: Solve for x
    x = 69,760,158,990.60/243,924.72
  6. Step 6: Final answer
    x = 285,990.53

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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.