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Finding the Fourth Proportional to 339,752.12, 468,858.21 and 186,792.90

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Solution

The fourth proportional to 339,752.12, 468,858.21 and 186,792.90 is: 257,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,752.12 : 468,858.21 = 186,792.90 : x
  2. Step 2: Convert to fraction form
    339,752.12/468,858.21 = 186,792.90/x
  3. Step 3: Cross multiply
    339,752.12x = 468,858.21 × 186,792.90
  4. Step 4: Simplify right side
    339,752.12x = 87,579,384,734.71
  5. Step 5: Solve for x
    x = 87,579,384,734.71/339,752.12
  6. Step 6: Final answer
    x = 257,774.36

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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.