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Finding the Fourth Proportional to 378,466.90, 567,603.57 and 112,165.30

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Solution

The fourth proportional to 378,466.90, 567,603.57 and 112,165.30 is: 168,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,466.90 : 567,603.57 = 112,165.30 : x
  2. Step 2: Convert to fraction form
    378,466.90/567,603.57 = 112,165.30/x
  3. Step 3: Cross multiply
    378,466.90x = 567,603.57 × 112,165.30
  4. Step 4: Simplify right side
    378,466.90x = 63,665,424,710.12
  5. Step 5: Solve for x
    x = 63,665,424,710.12/378,466.90
  6. Step 6: Final answer
    x = 168,219.27

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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.