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Finding the Fourth Proportional to 262,577.64, 362,355.30 and 143,345.64

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Solution

The fourth proportional to 262,577.64, 362,355.30 and 143,345.64 is: 197,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,577.64 : 362,355.30 = 143,345.64 : x
  2. Step 2: Convert to fraction form
    262,577.64/362,355.30 = 143,345.64/x
  3. Step 3: Cross multiply
    262,577.64x = 362,355.30 × 143,345.64
  4. Step 4: Simplify right side
    262,577.64x = 51,942,052,385.89
  5. Step 5: Solve for x
    x = 51,942,052,385.89/262,577.64
  6. Step 6: Final answer
    x = 197,815.98

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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.