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Finding the Fourth Proportional to 262,578.64, 362,356.68 and 143,346.64

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Solution

The fourth proportional to 262,578.64, 362,356.68 and 143,346.64 is: 197,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,578.64 : 362,356.68 = 143,346.64 : x
  2. Step 2: Convert to fraction form
    262,578.64/362,356.68 = 143,346.64/x
  3. Step 3: Cross multiply
    262,578.64x = 362,356.68 × 143,346.64
  4. Step 4: Simplify right side
    262,578.64x = 51,942,612,559.56
  5. Step 5: Solve for x
    x = 51,942,612,559.56/262,578.64
  6. Step 6: Final answer
    x = 197,817.36

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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.