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Finding the Fourth Proportional to 262,578.89, 362,357.02 and 143,346.89

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Solution

The fourth proportional to 262,578.89, 362,357.02 and 143,346.89 is: 197,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,578.89 : 362,357.02 = 143,346.89 : x
  2. Step 2: Convert to fraction form
    262,578.89/362,357.02 = 143,346.89/x
  3. Step 3: Cross multiply
    262,578.89x = 362,357.02 × 143,346.89
  4. Step 4: Simplify right side
    262,578.89x = 51,942,751,886.67
  5. Step 5: Solve for x
    x = 51,942,751,886.67/262,578.89
  6. Step 6: Final answer
    x = 197,817.70

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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.