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Finding the Fourth Proportional to 624,042.28, 935,884.86 and 203,354.92

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Solution

The fourth proportional to 624,042.28, 935,884.86 and 203,354.92 is: 304,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,042.28 : 935,884.86 = 203,354.92 : x
  2. Step 2: Convert to fraction form
    624,042.28/935,884.86 = 203,354.92/x
  3. Step 3: Cross multiply
    624,042.28x = 935,884.86 × 203,354.92
  4. Step 4: Simplify right side
    624,042.28x = 190,316,790,834.51
  5. Step 5: Solve for x
    x = 190,316,790,834.51/624,042.28
  6. Step 6: Final answer
    x = 304,974.19

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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.