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Finding the Fourth Proportional to 834,693.12, 1,252,052.88 and 203,618.88

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Solution

The fourth proportional to 834,693.12, 1,252,052.88 and 203,618.88 is: 305,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,693.12 : 1,252,052.88 = 203,618.88 : x
  2. Step 2: Convert to fraction form
    834,693.12/1,252,052.88 = 203,618.88/x
  3. Step 3: Cross multiply
    834,693.12x = 1,252,052.88 × 203,618.88
  4. Step 4: Simplify right side
    834,693.12x = 254,941,605,126.37
  5. Step 5: Solve for x
    x = 254,941,605,126.37/834,693.12
  6. Step 6: Final answer
    x = 305,431.54

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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.