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Finding the Fourth Proportional to 624,434.52, 935,755.08 and 308,522.40

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Solution

The fourth proportional to 624,434.52, 935,755.08 and 308,522.40 is: 462,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,434.52 : 935,755.08 = 308,522.40 : x
  2. Step 2: Convert to fraction form
    624,434.52/935,755.08 = 308,522.40/x
  3. Step 3: Cross multiply
    624,434.52x = 935,755.08 × 308,522.40
  4. Step 4: Simplify right side
    624,434.52x = 288,701,403,093.79
  5. Step 5: Solve for x
    x = 288,701,403,093.79/624,434.52
  6. Step 6: Final answer
    x = 462,340.56

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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.