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Finding the Fourth Proportional to 339,466.08, 468,478 and 188,563.08

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Solution

The fourth proportional to 339,466.08, 468,478 and 188,563.08 is: 260,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,466.08 : 468,478 = 188,563.08 : x
  2. Step 2: Convert to fraction form
    339,466.08/468,478 = 188,563.08/x
  3. Step 3: Cross multiply
    339,466.08x = 468,478 × 188,563.08
  4. Step 4: Simplify right side
    339,466.08x = 88,337,654,592.24
  5. Step 5: Solve for x
    x = 88,337,654,592.24/339,466.08
  6. Step 6: Final answer
    x = 260,225.28

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1.5x scale

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.