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Finding the Fourth Proportional to 647,204.53, 970,044.31 and 291,802.45

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Solution

The fourth proportional to 647,204.53, 970,044.31 and 291,802.45 is: 437,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,204.53 : 970,044.31 = 291,802.45 : x
  2. Step 2: Convert to fraction form
    647,204.53/970,044.31 = 291,802.45/x
  3. Step 3: Cross multiply
    647,204.53x = 970,044.31 × 291,802.45
  4. Step 4: Simplify right side
    647,204.53x = 283,061,306,266.56
  5. Step 5: Solve for x
    x = 283,061,306,266.56/647,204.53
  6. Step 6: Final answer
    x = 437,359.90

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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.