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Finding the Fourth Proportional to 378,594.22, 567,491.28 and 165,175.21

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Solution

The fourth proportional to 378,594.22, 567,491.28 and 165,175.21 is: 247,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,594.22 : 567,491.28 = 165,175.21 : x
  2. Step 2: Convert to fraction form
    378,594.22/567,491.28 = 165,175.21/x
  3. Step 3: Cross multiply
    378,594.22x = 567,491.28 × 165,175.21
  4. Step 4: Simplify right side
    378,594.22x = 93,735,491,347.17
  5. Step 5: Solve for x
    x = 93,735,491,347.17/378,594.22
  6. Step 6: Final answer
    x = 247,588.28

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1.5x scale

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.