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Finding the Fourth Proportional to 570,775.65, 787,676.18 and 344,377.41

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Solution

The fourth proportional to 570,775.65, 787,676.18 and 344,377.41 is: 475,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,775.65 : 787,676.18 = 344,377.41 : x
  2. Step 2: Convert to fraction form
    570,775.65/787,676.18 = 344,377.41/x
  3. Step 3: Cross multiply
    570,775.65x = 787,676.18 × 344,377.41
  4. Step 4: Simplify right side
    570,775.65x = 271,257,880,048.54
  5. Step 5: Solve for x
    x = 271,257,880,048.54/570,775.65
  6. Step 6: Final answer
    x = 475,244.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.