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Finding the Fourth Proportional to 612,704.39, 919,086.57 and 233,554.46

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Solution

The fourth proportional to 612,704.39, 919,086.57 and 233,554.46 is: 350,343.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,704.39 : 919,086.57 = 233,554.46 : x
  2. Step 2: Convert to fraction form
    612,704.39/919,086.57 = 233,554.46/x
  3. Step 3: Cross multiply
    612,704.39x = 919,086.57 × 233,554.46
  4. Step 4: Simplify right side
    612,704.39x = 214,656,762,954.17
  5. Step 5: Solve for x
    x = 214,656,762,954.17/612,704.39
  6. Step 6: Final answer
    x = 350,343.12

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Similar ratio
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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.