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Finding the Fourth Proportional to 339,878.64, 468,340.56 and 262,930.24

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Solution

The fourth proportional to 339,878.64, 468,340.56 and 262,930.24 is: 362,308.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,878.64 : 468,340.56 = 262,930.24 : x
  2. Step 2: Convert to fraction form
    339,878.64/468,340.56 = 262,930.24/x
  3. Step 3: Cross multiply
    339,878.64x = 468,340.56 × 262,930.24
  4. Step 4: Simplify right side
    339,878.64x = 123,140,895,842.53
  5. Step 5: Solve for x
    x = 123,140,895,842.53/339,878.64
  6. Step 6: Final answer
    x = 362,308.43

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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.