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Finding the Fourth Proportional to 369,956.01, 510,540.63 and 200,190.12

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Solution

The fourth proportional to 369,956.01, 510,540.63 and 200,190.12 is: 276,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,956.01 : 510,540.63 = 200,190.12 : x
  2. Step 2: Convert to fraction form
    369,956.01/510,540.63 = 200,190.12/x
  3. Step 3: Cross multiply
    369,956.01x = 510,540.63 × 200,190.12
  4. Step 4: Simplify right side
    369,956.01x = 102,205,189,984.58
  5. Step 5: Solve for x
    x = 102,205,189,984.58/369,956.01
  6. Step 6: Final answer
    x = 276,263.09

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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.