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Finding the Fourth Proportional to 624,429.56, 935,890.07 and 304,101.42

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Solution

The fourth proportional to 624,429.56, 935,890.07 and 304,101.42 is: 455,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,429.56 : 935,890.07 = 304,101.42 : x
  2. Step 2: Convert to fraction form
    624,429.56/935,890.07 = 304,101.42/x
  3. Step 3: Cross multiply
    624,429.56x = 935,890.07 × 304,101.42
  4. Step 4: Simplify right side
    624,429.56x = 284,605,497,730.39
  5. Step 5: Solve for x
    x = 284,605,497,730.39/624,429.56
  6. Step 6: Final answer
    x = 455,784.80

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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.