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Finding the Fourth Proportional to 647,424.44, 969,254.47 and 376,727.58

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Solution

The fourth proportional to 647,424.44, 969,254.47 and 376,727.58 is: 563,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,424.44 : 969,254.47 = 376,727.58 : x
  2. Step 2: Convert to fraction form
    647,424.44/969,254.47 = 376,727.58/x
  3. Step 3: Cross multiply
    647,424.44x = 969,254.47 × 376,727.58
  4. Step 4: Simplify right side
    647,424.44x = 365,144,891,358.19
  5. Step 5: Solve for x
    x = 365,144,891,358.19/647,424.44
  6. Step 6: Final answer
    x = 563,996.15

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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.