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Finding the Fourth Proportional to 262,695.46, 362,528.64 and 155,357.50

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Solution

The fourth proportional to 262,695.46, 362,528.64 and 155,357.50 is: 214,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,695.46 : 362,528.64 = 155,357.50 : x
  2. Step 2: Convert to fraction form
    262,695.46/362,528.64 = 155,357.50/x
  3. Step 3: Cross multiply
    262,695.46x = 362,528.64 × 155,357.50
  4. Step 4: Simplify right side
    262,695.46x = 56,321,542,412.01
  5. Step 5: Solve for x
    x = 56,321,542,412.01/262,695.46
  6. Step 6: Final answer
    x = 214,398.61

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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.