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Finding the Fourth Proportional to 455,041.63, 682,562.73 and 188,730.64

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Solution

The fourth proportional to 455,041.63, 682,562.73 and 188,730.64 is: 283,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,041.63 : 682,562.73 = 188,730.64 : x
  2. Step 2: Convert to fraction form
    455,041.63/682,562.73 = 188,730.64/x
  3. Step 3: Cross multiply
    455,041.63x = 682,562.73 × 188,730.64
  4. Step 4: Simplify right side
    455,041.63x = 128,820,500,873.05
  5. Step 5: Solve for x
    x = 128,820,500,873.05/455,041.63
  6. Step 6: Final answer
    x = 283,096.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.