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Finding the Fourth Proportional to 597,044.66, 895,916.90 and 428,383.22

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Solution

The fourth proportional to 597,044.66, 895,916.90 and 428,383.22 is: 642,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,044.66 : 895,916.90 = 428,383.22 : x
  2. Step 2: Convert to fraction form
    597,044.66/895,916.90 = 428,383.22/x
  3. Step 3: Cross multiply
    597,044.66x = 895,916.90 × 428,383.22
  4. Step 4: Simplify right side
    597,044.66x = 383,795,763,065.79
  5. Step 5: Solve for x
    x = 383,795,763,065.79/597,044.66
  6. Step 6: Final answer
    x = 642,825.89

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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.