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Finding the Fourth Proportional to 623,924.16, 935,964 and 203,087.04

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Solution

The fourth proportional to 623,924.16, 935,964 and 203,087.04 is: 304,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,924.16 : 935,964 = 203,087.04 : x
  2. Step 2: Convert to fraction form
    623,924.16/935,964 = 203,087.04/x
  3. Step 3: Cross multiply
    623,924.16x = 935,964 × 203,087.04
  4. Step 4: Simplify right side
    623,924.16x = 190,082,158,306.56
  5. Step 5: Solve for x
    x = 190,082,158,306.56/623,924.16
  6. Step 6: Final answer
    x = 304,655.87

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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.