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Finding the Fourth Proportional to 205,364.70, 308,047.05 and 182,814.30

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Solution

The fourth proportional to 205,364.70, 308,047.05 and 182,814.30 is: 274,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,364.70 : 308,047.05 = 182,814.30 : x
  2. Step 2: Convert to fraction form
    205,364.70/308,047.05 = 182,814.30/x
  3. Step 3: Cross multiply
    205,364.70x = 308,047.05 × 182,814.30
  4. Step 4: Simplify right side
    205,364.70x = 56,315,405,812.82
  5. Step 5: Solve for x
    x = 56,315,405,812.82/205,364.70
  6. Step 6: Final answer
    x = 274,221.45

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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.