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Finding the Fourth Proportional to 369,951.50, 510,534.43 and 200,185.63

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Solution

The fourth proportional to 369,951.50, 510,534.43 and 200,185.63 is: 276,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,951.50 : 510,534.43 = 200,185.63 : x
  2. Step 2: Convert to fraction form
    369,951.50/510,534.43 = 200,185.63/x
  3. Step 3: Cross multiply
    369,951.50x = 510,534.43 × 200,185.63
  4. Step 4: Simplify right side
    369,951.50x = 102,201,654,729.44
  5. Step 5: Solve for x
    x = 102,201,654,729.44/369,951.50
  6. Step 6: Final answer
    x = 276,256.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.